Artículos de revistas: "Vestali"

1

Fischer, Svante. "The solidus hoard of Casa delle Vestali in context". Opuscula. Annual of the Swedish Institutes at Athens and Rome 7 (noviembre de 2014): 107–27. http://dx.doi.org/10.30549/opathrom-07-05.

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In this paper, I discuss the context of a Late Roman solidus hoard found in the Casa delle Vestali on the Forum Romanum in Rome. The hoard consists of 397 solidi, Late Roman gold coins. Most of the hoard consists of uncirculated solidi struck in the name of the Western Roman emperor Procopius Anthemius (AD 467–472). By means of situating the hoard within the context of the reign of Anthemius and the collapse of the Western Roman Empire, the aim of this paper is to determine if the coins in the Vestal hoard can be related to other contemporary coin hoards by means of numismatic typology; this information could add to our understanding of why Anthemius’ reign is considered such an unmitigated failure and why the Empire collapsed soon after his murder. In this article, the composition of the hoard is examined, and the contents are compared to other contemporary solidus hoards in the Mediterranean, Gaul, Poland and Scandinavia. I argue that this comparison shows that the Vestal hoard is not part of a larger network but that the hoard constitutes the remains of an isolated occurrence—as initially suggested by its unusual composition and location.

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2

Gallia, Andrew B. "Vestal Virgins and Their Families". Classical Antiquity 34, n.º 1 (1 de abril de 2015): 74–120. http://dx.doi.org/10.1525/ca.2015.34.1.74.

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This article reexamines the evidence for the relationships between the Vestal virgins and their natal kin from the second century BC to the third century ad. It suggests that the bond between these priestesses and their families remained strong throughout this period and that, as a consequence, interpretations of the Vestals' position within Roman society that emphasize the severing of agnatic ties through their removal from patria potestas may be misguided. When placed in the broader social and legal context, the ritual “capture” of these priestesses is shown to be a necessary feature of their priestly identity, which only marked the Vestals as extraordinary because of the unique intersection of religious and gender categories that characterized their office. Finally, the implications of these findings for the interpretation of Vestal virginity are discussed.

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3

Wyrwińska, Karolina. "The Vestal Virgins’ Socio-political Role and the Narrative of Roma Aeterna". Krakowskie Studia z Historii Państwa i Prawa 14, n.º 2 (2021): 127–51. http://dx.doi.org/10.4467/20844131ks.21.011.13519.

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Roman women – priestesses, patrician women, mysterious guardians of the sacred flame of goddess Vesta, admired and respected, sometimes blamed for misfortune of the Eternal City. Vestals identified with the eternity of Rome, the priestesses having a specific, unavailable to other women power. That power gained at the moment of a ritual capture (captio) and responsibilities and privileges resulted from it are the subject matter of this paper. The special attention is paid to the importance of Vestals for Rome and Romans in various historic moments, and to the purifying rituals performed by Vestals on behalf of the Roman state’s fortune. The study presents probable dating and possible causes of the end of the College of the Vestals in Rome.

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4

Bell, John. "Gertrude Stein's Identity:". TDR/The Drama Review 50, n.º 1 (marzo de 2006): 87–99. http://dx.doi.org/10.1162/dram.2006.50.1.87.

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Donald Vestal's 1930s puppet theatre production of a Gertrude Stein play, Identity, or I Am I Because My Little Dog Knows Me, marked a confluence of Midwest modernism, the resources of the Federal Theatre Project, the development of American puppet theatre as a modernist art form, and the coincidental presence of Stein, Vestal, Thornton Wilder, Bil Baird, and other artists of 1930s Chicago.

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5

Mabbs-Zeno, Carl C. "The Famine in Famine Research". Politics and the Life Sciences 9, n.º 2 (febrero de 1991): 215–18. http://dx.doi.org/10.1017/s0730938400010753.

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For all the insights reported in the preceding article by Vestal, the author leaves the impression that he is dissatisfied that our current level of understanding adequately addresses the complexity of famine. Vestal's article ranges widely across the research on famine, provoking a revisitation of some controversies and inviting further thought on the world's level of famine vulnerability and what researchers might do to reduce that vulnerability.

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6

Bassi, Fabiano. "Progressi nell'impiego clinico del controtransfert". RUOLO TERAPEUTICO (IL), n.º 115 (octubre de 2010): 17–38. http://dx.doi.org/10.3280/rt2010-115003.

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Il concetto di controtransfert č forse quello che nel tempo č cambiato maggiormente, tanto da costituire un riassunto della storia della tecnica psicoterapeutica. Ne parla per la prima volta Freud al Congresso di Norimberga, nei termini di ostacolo al buon andamento della psicoterapia, tanto da proporre, per scongiurarne gli effetti nefasti, dapprima l'autoanalisi del terapeuta e successivamente la sua analisi didattica. Solo nel 1912 apre uno spiraglio, riuscendo a vederlo anche come strumento utile al terapeuta per sintonizzare il proprio inconscio su quello del paziente. Poi non se ne occupa piů. La controversia viene ripresa alla sua morte da Anna Freud e i fondatori della Psicologia dell'Io e da Melanine Klein. I primi, che si pongono come vestali dell'ereditŕ freudiana, continuano a vederlo come una spia di qualche disfunzione nel terapeuta. La seconda e piů precisamente una sua allieva e paziente, Paula Heimann, al contrario, enfatizza l'importanza dei sentimenti del terapeuta ai fini di una migliore comprensione del paziente. Un altro autore che si č schierato a favore del suo impiego č stato il kleiniano Racker. Egli getta le basi per lo sviluppo del modello bipersonale di psicoterapia. Un altro contributo, seppure indiretto, proviene da Kohut, che sottolinea l'importanza dell'empatia come fattore terapeutico principe. Poi c'č Sandler, che lo considera una miscela tra le caratteristiche del terapeuta e le richieste del paziente. Jacobs, che introduce il concetto di "enactment controtransferale" per segnalare un fenomeno simile all'"acting out" del paziente. E Renik, che sottolinea l'importanza inestimabile degli autodisvelamenti del terapeuta sul paziente, purché rispettosi ed opportuni, per aiutarlo a lavorare piů efficacemente sulla relazione di transfert.

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7

Cavanagh, Sheila L. "Female-Teacher Gender and Sexuality in Twentieth-Century Ontario, Canada". History of Education Quarterly 45, n.º 2 (2005): 247–73. http://dx.doi.org/10.1111/j.1748-5959.2005.tb00036.x.

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[The Romans] created the cult of the Vestal Virgins, high-minded priestesses of the goddess Vesta, Guardian Angel of Mankind and Keeper of the Hearth. These priestesses were educated in special normal training schools, were forbidden to marry, were subjected to drastic moral codes, and were accorded social position of preeminence.Spinster teachers were hired so frequently in the late nineteenth and early twentieth centuries that they eventually became an important part of the cultural landscape.Single women seem forever to unnerve, anger and unwittingly scare large swaths of the population, both female and male.”

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8

Ren, Bo, Yu Jiang, Hengnian Li y Chunsheng Jiang. "Existence and Control of Special Orbits around Asteroid 4 Vesta". Aerospace 9, n.º 8 (21 de agosto de 2022): 466. http://dx.doi.org/10.3390/aerospace9080466.

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This paper focuses on the existence and control of particular types of orbits around asteroid 4 Vesta, including Sun-synchronous orbits, orbits at the critical inclination, repeating ground-track orbits, and stationary orbits. J2, J3, and J4 terms are considered in the gravity model of Vesta. First, the inclination perturbation caused by solar gravitation is studied, and preset and multiple inclination bias methods are proposed to dampen the local time drift at the ascending node. Compared with Vesta, the control periods of the Sun-synchronous orbits of 21 Lutetia and 433 Eros are much longer. Second, Vesta’s orbits with a critical inclination depend on the semi-major axis and eccentricity. If the eccentricity is not greater than 0.2, inclination decreases slowly and monotonically concerning the semi-major axis. If the eccentricity is not smaller than 0.4, inclination increases rapidly and monotonically. Third, Sun-synchronous repeating ground-track circular orbits of Vesta, which do not exist for Lutetia and Eros, are investigated. Finally, the perturbations of stationary orbits caused by solar gravitation and solar radiation pressure are analyzed.

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9

Li, Jian-Yang, L. Jorda, H. U. Keller, N. Mastrodemos, S. Mottola, A. Nathues, C. Pieters et al. "Photometric Properties of Vesta". Proceedings of the International Astronomical Union 10, H16 (agosto de 2012): 179. http://dx.doi.org/10.1017/s174392131400533x.

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AbstractThe Dawn spacecraft orbited Asteroid (4) Vesta for a year, and returned disk-resolved images and spectra covering visible and near-infrared wavelengths at scales as high as 20 m/pix. The visible geometric albedo of Vesta is ~ 0.36. The disk-integrated phase function of Vesta in the visible wavelengths derived from Dawn approach data, previous ground-based observations, and Rosetta OSIRIS observations is consistent with an IAU H-G phase law with H=3.2 mag and G=0.28. Hapke's modeling yields a disk-averaged single-scattering albedo of 0.50, an asymmetry factor of -0.25, and a roughness parameter of ~20 deg at 700 nm wavelength. Vesta's surface displays the largest albedo variations observed so far on asteroids, ranging from ~0.10 to ~0.76 in geometric albedo in the visible wavelengths. The phase function of Vesta displays obvious systematic variations with respect to wavelength, with steeper slopes within the 1- and 2-micron pyroxene bands, consistent with previous ground-based observations and laboratory measurement of HED meteorites showing deeper bands at higher phase angles. The relatively high albedo of Vesta suggests significant contribution of multiple scattering. The non-linear effect of multiple scattering and the possible systematic variations of phase function with albedo across the surface of Vesta may invalidate the traditional algorithm of applying photometric correction on airless planetary surfaces.

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10

Moreno Soldevila, Rosario. "Love Motifs in Prudentius". Philologus 165, n.º 2 (4 de noviembre de 2021): 295–312. http://dx.doi.org/10.1515/phil-2021-0109.

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Abstract By analysing three paradigmatic passages, this paper explores how Prudentius uses classical love motifs and imagery not only to lambast paganism, but also as a powerful rhetorical tool to convey his Christian message. The ‘fire of love’ imagery is conspicuous in Psychomachia 53–57, which wittily blends Christian and erotic language. In an entirely different context (C. Symm. 2.1071–1085), the flamma amoris is also fully exploited to depict lustful young Vestal Virgins, in combination with other classical metaphors of passion, such as the ‘wound of love’ and the signa amoris. Additionally, the contrast between heat and cold is a central element in the description of the Vestals’ tardy nuptials, redolent of classical satirical portraits of vetulae libidinosae. Finally, in Hamartigenia 628–636 the relationship between the soul and God draws from a Christian tradition of bridal (and coital) representation, but the lapse into sin is portrayed as the love triangle, typical of the Latin love elegy. These examples illustrate how Prudentius creatively and consciously frames love and sex imagery in new contexts, exploring their potential and infusing clichés with new meanings and forms.

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11

Marcílio Santos, Elaine y Alessandro Hirata. "A CONDIÇÃO JURÍDICA E A RESPONSABILIDADE DA MULHER E DAS VESTAIS NO DIREITO ROMANO". Revista Brasileira de História do Direito 6, n.º 1 (11 de agosto de 2020): 61. http://dx.doi.org/10.26668/indexlawjournals/2526-009x/2020.v6i1.6554.

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O presente artigo trata da condição jurídica da mulher em Roma, a partir de fontes analisadas à luz da metodologia dialética. Primeiramente, expõe-se um panorama geral do peculiar tratamento jurídico destinado às mulheres. Depois, discorrer-se-á acerca das sacerdotisas cultoras da deusa romana Vesta, as vestais, as quais tinham uma especial condição jurídica de independência em relação aos homens, e que também podiam realizar atividades como o comércio marítimo, sendo inclusive proprietárias de embarcações de cunho comercial, conforme comprovam recentes descobertas arqueológicas na Sardenha. Assim, com os presentes dados recentemente encontrados, pretende-se contribuir com a pesquisa em direito romano.

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12

Fétick, R. JL, L. Jorda, P. Vernazza, M. Marsset, A. Drouard, T. Fusco, B. Carry et al. "Closing the gap between Earth-based and interplanetary mission observations: Vesta seen by VLT/SPHERE". Astronomy & Astrophysics 623 (25 de febrero de 2019): A6. http://dx.doi.org/10.1051/0004-6361/201834749.

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Context. Over the past decades, several interplanetary missions have studied small bodies in situ, leading to major advances in our understanding of their geological and geophysical properties. These missions, however, have had a limited number of targets. Among them, the NASA Dawn mission has characterised in detail the topography and albedo variegation across the surface of asteroid (4) Vesta down to a spatial resolution of ~20 m pixel−1 scale. Aims. Here our aim was to determine how much topographic and albedo information can be retrieved from the ground with VLT/SPHERE in the case of Vesta, having a former space mission (Dawn) providing us with the ground truth that can be used as a benchmark. Methods. We observed Vesta with VLT/SPHERE/ZIMPOL as part of our ESO large programme (ID 199.C-0074) at six different epochs, and deconvolved the collected images with a parametric point spread function (PSF). We then compared our images with synthetic views of Vesta generated from the 3D shape model of the Dawn mission, on which we projected Vesta’s albedo information. Results. We show that the deconvolution of the VLT/SPHERE images with a parametric PSF allows the retrieval of the main topographic and albedo features present across the surface of Vesta down to a spatial resolution of ~20–30 km. Contour extraction shows an accuracy of ~1 pixel (3.6 mas). The present study provides the very first quantitative estimate of the accuracy of ground-based adaptive-optics imaging observations of asteroid surfaces. Conclusions. In the case of Vesta, the upcoming generation of 30–40 m telescopes (ELT, TMT, GMT) should in principle be able to resolve all of the main features present across its surface, including the troughs and the north–south crater dichotomy, provided that they operate at the diffraction limit.

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13

Neel, Jaclyn. "Tarpeia the Vestal". Journal of Roman Studies 109 (13 de septiembre de 2019): 103–30. http://dx.doi.org/10.1017/s0075435819000911.

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AbstractTarpeia's role as a Vestal has become a matter of scholarly consensus in the past two decades. This article questions that consensus by suggesting that Varro and Propertius are the two major proponents of this ‘Vestal version’, which is not present in other major narratives such as Livy, Dionysius of Halicarnassus and Plutarch. Propertius’ version in particular, which depicts Tarpeia as a Vestal in love, has been overprivileged in analyses of this myth as a dramatisation of individual identity versus loyalty to the state. Varro's account, which also includes Tarpeia's Vestal status, suggests a different interpretation: it is likely that Varro considered Tarpeia a non-Roman Vestal whose Vestal status supported the state. This version resolves certain dissonances in early Roman myth.

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14

Uefune, Masayoshi, Junichiro Abe, Kaori Shiojiri, Satoru Urano, Koukichi Nagasaka y Junji Takabayashi. "Targeting diamondback moths in greenhouses by attracting specific native parasitoids with herbivory-induced plant volatiles". Royal Society Open Science 7, n.º 11 (noviembre de 2020): 201592. http://dx.doi.org/10.1098/rsos.201592.

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We investigated the recruitment of specific parasitoids using a specific blend of synthetic herbivory-induced plant volatiles (HIPVs) as a novel method of pest control in greenhouses. In the Miyama rural area in Kyoto, Japan, diamondback moth (DBM) ( Plutella xylostella , Lepidoptera: Plutellidae) larvae are an important pest of cruciferous crops in greenhouses, and Cotesia vestalis (Hymenoptera: Braconidae), a larval parasitoid of DBM, is found in the surrounding areas. Dispensers of HIPVs that attracted C. vestalis and honey feeders were set inside greenhouses (treated greenhouses). The monthly incidence of DBMs in the treated greenhouses was significantly lower than that in the untreated greenhouses over a 2-year period. The monthly incidences of C. vestalis and DBMs were not significantly different in the untreated greenhouses, whereas monthly C. vestalis incidence was significantly higher than monthly DBM incidence in the treated greenhouses. Poisson regression analyses showed that, in both years, a significantly higher number of C. vestalis was recorded in the treated greenhouses than in the untreated greenhouses when the number of DBM adults increased. We concluded that DBMs were suppressed more effectively by C. vestalis in the treated greenhouses than in the untreated greenhouses.

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15

Momma, Koichi y Fujio Izumi. "VESTA 3for three-dimensional visualization of crystal, volumetric and morphology data". Journal of Applied Crystallography 44, n.º 6 (29 de octubre de 2011): 1272–76. http://dx.doi.org/10.1107/s0021889811038970.

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VESTAis a three-dimensional visualization system for crystallographic studies and electronic state calculations. It has been upgraded to the latest version,VESTA 3, implementing new features including drawing the external morphology of crystals; superimposing multiple structural models, volumetric data and crystal faces; calculation of electron and nuclear densities from structure parameters; calculation of Patterson functions from structure parameters or volumetric data; integration of electron and nuclear densities by Voronoi tessellation; visualization of isosurfaces with multiple levels; determination of the best plane for selected atoms; an extended bond-search algorithm to enable more sophisticated searches in complex molecules and cage-like structures; undo and redo in graphical user interface operations; and significant performance improvements in rendering isosurfaces and calculating slices.

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16

Elsner, John. "Cult and Sculpture: Sacrifice in the Ara Pacis Augustae". Journal of Roman Studies 81 (noviembre de 1991): 50–61. http://dx.doi.org/10.2307/300488.

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On 30 January 9 B.C., two thousand years ago this year, the Senate dedicated the Ara Pacis Augustae. This paper celebrates that anniversary by putting forward a new interpretation of the altar's significance. Rather than focusing on a discussion of iconography or the identification of individuals portrayed on the altar, I shall explore the sacrificial implications of what was, after all, an important site for sacrificial cult in Rome. We may note that the earliest Roman accounts of the Ara Pacis both emphasize sacrificial rite. In the Res Gestae, Augustus comments (12.2):Cum ex Hispania Galliaque, rebus in iis provincis prospere gestis, Romam redi, Ti. Nerone P. Quintilio consulibus, aram Pacis Augustae senatus pro reditu meo consacrandam censuit ad campum Martium, in qua magistratus et sacerdotes virginesque Vestales anniversarium sacrificium facere iussit.On my return from Spain and Gaul, in the consulship of Tiberius Nero and Publius Quintilius [13 B.C.], after successful operations in these provinces, the Senate voted in honour of my return the consecration of an altar to Pax Augusta in the Campus Martius, and on this altar it ordered the magistrates and priests and Vestal virgins to make annual sacrifice.

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17

Abe, Junichiro, Masayoshi Uefune, Kinuyo Yoneya, Kaori Shiojiri y Junji Takabayashi. "Synchronous Occurrences of the Diamondback Moth (Lepidoptera: Plutellidae) and its Parasitoid Wasp Cotesia vestalis (Hymenoptera: Braconidae) in Greenhouses in a Satoyama Area". Environmental Entomology 49, n.º 1 (26 de noviembre de 2019): 10–14. http://dx.doi.org/10.1093/ee/nvz140.

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Abstract We characterized the correlation between the occurrences of diamondback moth, Plutella xylostella (L.), larvae and their dominant native parasitoid wasp, Cotesia vestalis (Haliday), in commercial greenhouses in a satoyama area, called Miyama, in Kyoto, Japan. In the three greenhouses used in this study, cruciferous ‘mizuna’ (Brassica rapa var. laciniifolia [Brassicales: Brassicaceae]) crops were grown. Pesticides against diamondback moth were not routinely applied in the greenhouses. We confirmed that populations of diamondback moth and C. vestalis were maintained on the wild crucifer plant Rorippa indica in the surrounding area from March to December. In the greenhouses, we observed several occurrences of diamondback moth larvae that were, in most cases, followed by occurrences of C. vestalis. We found that C. vestalis females were attracted by volatiles emitted from mizuna plants that were lightly infested with second-stadium diamondback moth larvae under laboratory conditions. The synchronous appearance of diamondback moth larvae and C. vestalis could be explained by the latter being attracted by the volatiles emitted from mizuna plants infested by diamondback moth larvae in the greenhouses.

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18

Seng, Helmut. "Tarpeia Vestalis". Hermes 143, n.º 2 (2015): 172–84. http://dx.doi.org/10.25162/hermes-2015-0012.

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19

Pociña, Andrés. "LAS VESTALES ANTE LOS PODERES PÚBLICOS ROMANOS." Revista Internacional de Culturas y Literaturas, n.º 15 (2014): 90–100. http://dx.doi.org/10.12795/ricl.2014.i15.09.

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En la Roma antigua las mujeres, incluso las pertenecientes a las clases superiores, no gozaron nunca del reconocimiento de plenos derechos ciudadanos, estan apartadas siempre de los cargos políticos y de gobierno. En el poderoso mundo de los sacerdocios, el único importante concedido a las mujeres, el colegio de las Vestales, demuestra con su historia y sus exigencias una vez más la relegación legal de las mujeres romanas.

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20

SCHULTZ, CELIA E. "(R.L.) Wildfang Rome's Vestal Virgins. A Study of Rome's Vestal Priestesses in the Late Republic and Early Empire. Pp. xiv + 158, ills. London and New York: Routledge, 2006. Paper, £19.99, US$35.95 (Cased, £60, US$110). ISBN: 0-415-39796-0 (0-415-39795-2 hbk). (M.C.) Martini Le vestali. Un sacerdozio funzionale al ‘cosmo' romano. (Collection Latomus 282.) Pp. 264. Brussels: Éditions Latomus, 2004. Paper, €38. ISBN: 2-87031-223-7." Classical Review 58, n.º 1 (enero de 2008): 212–14. http://dx.doi.org/10.1017/s0009840x07002557.

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21

McFadden, Lucy A., David R. Skillman, Nargess Memarsadeghi, Jian-Yang Li, S. P. Joy, C. A. Polanskey, Marc D. Rayman et al. "Vesta’s missing moons: Comprehensive search for natural satellites of Vesta by the Dawn spacecraft". Icarus 257 (septiembre de 2015): 207–16. http://dx.doi.org/10.1016/j.icarus.2015.04.038.

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22

Undheim, Sissel. "Vestal Virgins Revived". Religion and Theology 29, n.º 1-2 (9 de agosto de 2022): 120–40. http://dx.doi.org/10.1163/15743012-bja10037.

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Abstract Looking at three examples from 2021 of ‘Vestal rituals’ transmitted on social media, this article revisits some discussions about the reception, afterlife, and ongoing presence of so-called ‘dead religions.’ Focusing on the terms ‘reception’ and ‘afterlife’ as they are presented in two recent works on contemporary Greek polytheism on the one hand and indigenous religion(s) in Sápmi on the other, the overarching aim of the case study is to initiate new reflections on reception and afterlives, and on how these terms tie into notions of death and demise of religion(s).

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23

Gallia, Andrew B. "The Vestal Habit". Classical Philology 109, n.º 3 (julio de 2014): 222–40. http://dx.doi.org/10.1086/676291.

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McKinnon, William B. "Vestal voyagers unveiled". Nature 363, n.º 6426 (mayo de 1993): 211–12. http://dx.doi.org/10.1038/363211a0.

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Kahuthia-Gathu, Ruth y Stephen T. O. Othim. "Effects of Two Cultivated Brassica spp. on the Development and Performance of Diadegma semiclausum (Hymenoptera: Ichneumonidae) and Cotesia vestalis (Hymenoptera: Braconidae) Parasitizing Plutella xylostella (Lepidoptera: Plutellidae) in Kenya". Journal of Economic Entomology 112, n.º 5 (6 de junio de 2019): 2094–102. http://dx.doi.org/10.1093/jee/toz144.

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AbstractThe diamondback moth (DBM), Plutella xylostella L., is the most destructive pest affecting vegetable production in Kenya and around the world. Parasitoids have shown promising results in lowering the pest populations and damage caused by DBM. However, variations in host plant quality have been reported to have bottom-up effects up to the third and fourth trophic levels. We assessed the effects of two cultivated Brassica varieties (cabbage, Brassica oleracea var. capitata L. cultivar ‘Gloria F1’ and kale, B. oleracea var. acephala L. cultivar ‘Thousand headed’) on the development and performance of the specialist pest P. xylostella and two exotic parasitoids Diadegma semiclausum (Hellen) and Cotesia vestalis (Haliday). The exposed larval period of DBM took about 1.5 d longer on kale than cabbage and the total immature development time of both females and males was significantly longer on kale than cabbage. Higher pupal weight and higher fecundity were recorded on DBM fed on kale. Development time of D. semiclausum and C. vestalis was not affected by the host crop as was the parasitism rate of D. semiclausum. Heavier male pupae and larger adults of D. semiclausum, as well as more fecund adults of C. vestalis, were obtained from hosts fed on cabbage. Larger adults of C. vestalis were obtained from herbivores fed on kale. These results show potentially positive effects of host plant allelochemicals that are detrimental to herbivores while promoting parasitoid development and performance, which can be harnessed for the control of DBM.

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26

Delon, Michel. "Mythologie de la vestale". Dix-huitième Siècle 27, n.º 1 (1995): 159–70. http://dx.doi.org/10.3406/dhs.1995.2041.

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27

Pines, R. "La vestale. Gaspare Spontini". Opera Quarterly 14, n.º 2 (1 de enero de 1997): 155–58. http://dx.doi.org/10.1093/oq/14.2.155.

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28

Ashbrook, William. "La vestale Gaspare Spontini". Opera Quarterly 8, n.º 1 (1991): 164–66. http://dx.doi.org/10.1093/oq/8.1.164.

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29

Björnsson, Helgi y Snævarr Guðmundsson. "Vestari-Loðmundarjökull og Loðmundur". Jökull 60, n.º 1 (15 de diciembre de 2010): 210–11. http://dx.doi.org/10.33799/jokull2010.60.210o.

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30

Beltrão, Claudia y Patricia Horvat. "The Name of the Vestal, or When a Vestal is Named". Archimède. Archéologie et histoire ancienne 5 (2018): 175–84. http://dx.doi.org/10.47245/archimede.0005.act.08.

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Siasau, Hau’ofa y Rashmi Kant. "Parasitism of diamondback moth Plutella xylostella by the solitary parasitoid wasp Cotesia vestalis in Samoa". New Zealand Plant Protection 72 (28 de julio de 2019): 283. http://dx.doi.org/10.30843/nzpp.2019.72.324.

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Plutella xylostella is a major pest of crucifier crops in Samoa and other Pacific islands. This pest has developed resistance to most insecticides available in the island nations so the objective of this study was to examine potential biological control options for P. xylostella in Samoa. Existing parasitism of P. xylostella on Chinese cabbage (Brassica rapa subspp.) was investigated at a farm in Alesia and at the USP farm in Alafua, and established populations of Cotesia vestalis were found at both locations. Plutella xylostella larvae turn light yellow and show sluggish behaviour after parasitism, and they could be easily differentiated from unparasitised ones. Developing C. vestalis larvae emerge from their hosts and spin white cocoon around their body. After 5–6 days, a single adult emerges from the C. vestalis cocoon. The average parasitism rate between April 2015 and March 2016 was 10–18% but was significantly higher at the USP farm than the Alesia farm. This result could be because no insecticides were applied to the crops at USP. Parasitism was highest between June and August when the lowest average daily temperatures occur.

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Lewis, R. G. "Catilina and the Vestal". Classical Quarterly 51, n.º 1 (julio de 2001): 141–49. http://dx.doi.org/10.1093/cq/51.1.141.

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Michalik, T., K. Stephan, E. A. Cloutis, K. D. Matz, R. Jaumann, A. Raponi y K. A. Otto. "The Spectral Properties of Pitted Impact Deposits on Vesta as Seen by the Dawn VIR Instrument". Planetary Science Journal 3, n.º 8 (1 de agosto de 2022): 182. http://dx.doi.org/10.3847/psj/ac7be0.

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Abstract Pitted impact deposits (PIDs) on Vesta have been shown to exhibit distinct spectral characteristics with respect to their surrounding host deposits and other typical Vestan areas regarding the first major pyroxene absorption near 0.9 μm. The PIDs, especially those in the ejecta blanket of the large crater Marcia, show higher reflectance and pyroxene band strength with respect to their impact deposit surroundings. This study complements the spectral characterization of the PIDs on Vesta with Visible and Infrared Spectrometer observations obtained by NASA’s Dawn mission. In particular, we focus on the second major pyroxene absorption near 1.9 μm. We analyze nine PIDs in the ejecta blanket of the crater Marcia, as well as PIDs within the crater-fill deposits of the craters Marcia, Cornelia, and Licinia. We find that the second pyroxene absorption behaves in similar ways as the first major pyroxene absorption. The PIDs in Marcia’s ejecta blanket show higher reflectance and pyroxene band strength with respect to their immediate impact deposit surroundings. The PIDs present in the crater-fill deposits of Marcia, Cornelia, and Licinia, however, do not show such spectral characteristics. This is also consistent with previous observations of the first pyroxene absorption band. Based on the experimental results of other studies, we speculate that the observed spectral distinctness arises from an oxidation process in the interior of impact deposits, where Fe cations migrate within their host pyroxene grains. Thus, the surfaces of (melt-bearing) impact deposits might be different from their interiors, apart from space-weathering effects.

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Cohen, Barbara A. "The Vestan cataclysm: Impact-melt clasts in howardites and the bombardment history of 4 Vesta". Meteoritics & Planetary Science 48, n.º 5 (27 de marzo de 2013): 771–85. http://dx.doi.org/10.1111/maps.12101.

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Variani, Fernando Vidal y Antonio Augusto Nery. "O Fervoroso Fausto de "A Vestal!", de Álvaro do Carvalhal". Aletria: Revista de Estudos de Literatura 27, n.º 1 (3 de julio de 2017): 315–33. http://dx.doi.org/10.17851/2317-2096.27.1.315-333.

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O principal objetivo deste trabalho é fornecer um possível modo de compreender o desenvolvimento da personagem Fausto no conto “A Vestal!”, de Álvaro do Carvalhal (1844-1868), especificamente no que tange às relações entre essa personagem e o que entendemos como uma possível representação do mal na narrativa. De acordo com Maria do Nascimento Oliveira (1949-), “A Vestal!” é um conto em estilo “realista romântico” que trata, principalmente, de um conflito mal resolvido entre “matéria” e “espírito”. Baseando-nos nas proposições de Georges Bataille (1897-1962) acerca do universo literário como um campo de experimentação das emoções humanas regido por uma “hipermoral” (não pela ausência de moral), propomos que, em “A Vestal!”, bem como em toda a obra de Carvalhal, todos os jogos contraditórios estabelecidos (e até mesmo superexplicitados) tendem não apenas à complementaridade que constitui um único sistema de pensamento, mas também a causar consideráveis oscilações e imbricamentos entre aqueles que, à primeira vista, poderiam parecer polos claramente opostos. Fausto, nessa perspectiva, pode figurar como uma personificação particularmente interessante dessas concepções, conforme pretendemos discutir neste artigo.

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Valterová, Irena, Aleš Svatoš y Oldřich Hovorka. "Analysis of the Labial Gland Secretion of the Cuckoo-Bumblebee (Psithyrus vestalis) Males and Synthesis of Abundant Geranylcitronellol". Collection of Czechoslovak Chemical Communications 61, n.º 10 (1996): 1501–8. http://dx.doi.org/10.1135/cccc19961501.

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Labial glands of the cuckoo-bumblebee males of the species Psithyrus vestalis were extracted and the components of their secretions were identified. Chemical composition of the males' signal of Psithyrus vestalis has not yet been described in the literature. We found geranycitronellyl acetate to be the main component (48%). Geranylcitronellol and (Z)-15-eicosen-1-ol were present in the secretion in lower amounts. Long-chain aldehydes, acetates, and hydrocarbons formed only minor components of the mixture. The identification of minor components was based on GC-MS, while the more abundant compounds were isolated and fully characterized by spectral and chemical methods. For the structure confirmation, geranylcitronellol was prepared from geranyl bromide via a three-step synthesis.

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Zhou, Yuenan, Pei Yang, Shuang Xie, Min Shi, Jianhua Huang, Zhizhi Wang y Xuexin Chen. "Comparative Transcriptome Analysis Reveals Sex-Based Differences during the Development of the Adult Parasitic Wasp Cotesia vestalis (Hymenoptera: Braconidae)". Genes 12, n.º 6 (10 de junio de 2021): 896. http://dx.doi.org/10.3390/genes12060896.

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The endoparasitic wasp Cotesia vestalis is an important biological agent for controlling the population of Plutella xylostella, a major pest of cruciferous crops worldwide. Though the genome of C. vestalis has recently been reported, molecular mechanisms associated with sexual development have not been comprehensively studied. Here, we combined PacBio Iso-Seq and Illumina RNA-Seq to perform genome-wide profiling of pharate adult and adult development of male and female C. vestalis. Taking advantage of Iso-Seq full-length reads, we identified 14,466 novel transcripts as well as 8770 lncRNAs, with many lncRNAs showing a sex- and stage-specific expression pattern. The differentially expressed gene (DEG) analyses showed 2125 stage-specific and 326 sex-specific expressed genes. We also found that 4819 genes showed 11,856 alternative splicing events through combining the Iso-Seq and RNA-Seq data. The results of comparative analyses showed that most genes were alternatively spliced across developmental stages, and alternative splicing (AS) events were more prevalent in females than in males. Furthermore, we identified six sex-determining genes in this parasitic wasp and verified their sex-specific alternative splicing profiles. Specifically, the characterization of feminizer and doublesex splicing between male and female implies a conserved regulation mechanism of sexual development in parasitic wasps.

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Hao, Zhong-Ping, Yan-Qun Zhao, Zhong-Qin Yuan y Zu-Hua Shi. "Effects of photoperiod on body size and hormone titres relating to diapause regulation in Cotesia vestalis (Hymenoptera: Braconidae)". Canadian Entomologist 145, n.º 4 (27 de febrero de 2013): 369–86. http://dx.doi.org/10.4039/tce.2013.6.

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AbstractPhotoperiods influence diapause beyond the maternal generation in Cotesia vestalis (Haliday) (Hymenoptera: Braconidae). The sizes, 20-hydroxyecdysone (20E), and juvenile hormone III (JH III) contents in the G1 diapausing prepupae, G0 nondiapausing prepupae, adults, and G1 eggs from C. vestalis cultures reared under three photoperiods (8:16 hours light:dark, 12:12 hours light:dark, and 16:8 hours light:dark) were measured to investigate the hormones’ roles on maternal information transmission and diapause regulation. Results showed that the body size of G1 diapausing prepupae was significantly larger than that of G0 nondiapausing prepupae. The sizes of G0 prepupae, female abdomens, and G1 eggs under eight-hour light were significantly larger than those under 16-hour light. The 20E content in diapausing prepupae was significantly lower than that in nondiapausing prepupae, whereas JH III content did not show significantly difference under the same photoperiod. The 20E content in maternal prepupae, mated females and G1 eggs decreased as the light period was reduced. Juvenile hormone III contents in G0-mated females and G1 eggs (after oviposition) under three photoperiods showed no significant differences. These findings suggest that 20E may play a critical role in diapause regulation of C. vestalis, and be used as a maternal environmental message to be transmitted to the next generation.

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Hiroyoshi, Satoshi, Jeffrey A. Harvey, Yutaka Nakamatsu, Hisashi Nemoto, Jun Mitsuhashi, Takayuki Mitsunaga y Toshiharu Tanaka. "Potential Host Range of the Larval Endoparasitoid Cotesia vestalis (=plutellae) (Hymenoptera: Braconidae)". International Journal of Insect Science 9 (1 de enero de 2017): 117954331771562. http://dx.doi.org/10.1177/1179543317715623.

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Many parasitoid wasps are highly specialized in nature, attacking only one or a few species of hosts. Host range is often determined by a range of biological and ecological characteristics of the host including diet, growth potential, immunity, and phylogeny. The solitary koinobiont endoparasitoid wasp, Cotesia vestalis, mainly parasitizes diamondback moth (DBM) larvae in the field, although it has been reported that to possess a relatively wide lepidopteran host range. To better understand the biology of C vestalis as a potential biological control of hosts other than the DBM, it is necessary to determine suitability for potential hosts. In this study, the potential host range of the wasp and its developmental capacity in each host larva were examined under laboratory conditions using 27 lepidopteran species from 10 families. The wasp was able to parasitize 15 of the 27 species successfully. Some host species were not able to exclude C vestalis via their internal physiological defenses. When parasitization was unsuccessful, most hosts killed the parasitoid at the egg stage or early first-instar stage using encapsulation, but some host species disturbed the development of the parasitoid at various stages. No phylogenetic relationships were found among suitable and unsuitable hosts, revealing that host range in some endoparasitoids is not constrained by relatedness among hosts based on immunity.

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Girling, Robbie D., Alex Stewart-Jones, Julie Dherbecourt, Joanna T. Staley, Denis J. Wright y Guy M. Poppy. "Parasitoids select plants more heavily infested with their caterpillar hosts: a new approach to aid interpretation of plant headspace volatiles". Proceedings of the Royal Society B: Biological Sciences 278, n.º 1718 (26 de enero de 2011): 2646–53. http://dx.doi.org/10.1098/rspb.2010.2725.

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Plants produce volatile organic compounds (VOCs) in response to herbivore attack, and these VOCs can be used by parasitoids of the herbivore as host location cues. We investigated the behavioural responses of the parasitoid Cotesia vestalis to VOCs from a plant–herbivore complex consisting of cabbage plants ( Brassica oleracea ) and the parasitoids host caterpillar, Plutella xylostella . A Y-tube olfactometer was used to compare the parasitoids' responses to VOCs produced as a result of different levels of attack by the caterpillar and equivalent levels of mechanical damage. Headspace VOC production by these plant treatments was examined using gas chromatography–mass spectrometry. Cotesia vestalis were able to exploit quantitative and qualitative differences in volatile emissions, from the plant–herbivore complex, produced as a result of different numbers of herbivores feeding. Cotesia vestalis showed a preference for plants with more herbivores and herbivore damage, but did not distinguish between different levels of mechanical damage. Volatile profiles of plants with different levels of herbivores/herbivore damage could also be separated by canonical discriminant analyses. Analyses revealed a number of compounds whose emission increased significantly with herbivore load, and these VOCs may be particularly good indicators of herbivore number, as the parasitoid processes cues from its external environment.

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Simonsen, Thomas J., Marie Djernæs, Ole Fogh Nielsen y Kent Olsen. "COI diversity supports subspecific division in Western European Lestes virens (Charpentier, 1825) (Zygoptera: Lestidae), but hints at further Mediterranean complexity". International Journal of Odonatology 26 (6 de marzo de 2023): 18–26. http://dx.doi.org/10.48156/1388.2023.1917196.

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We analyse COI sequences of 48 specimens of European Lestes virens (Charpentier) to explore patterns in genetic diversity including subspecific boundaries and potential glacial refugia. Our haplotype network and phylogenetic analyses reveal three distinct groups in Western and Northern Europe. One group corresponding to the nominate subspecies L. virens virens is confined to the Iberian Peninsula and southwestern France, and one group corresponding to the subspecies L. virens vestalis is found in the rest of western Europe including southern Scandinavia, mainland Italy and the Mediterranean island Sardinia. Surprisingly three specimens from the Mediterranean island Sicily form a highly distinct group in all our analyses. An analysis of molecular variance (AMOVA) confirms that almost all observed genetic variance is explained by variation between these three groups rather than by variation between sample areas or between individuals. We conclude that the subspecific division into L. virens virens and L. virens vestalis is justified, but further studies are needed to determine the status of the populations in Sicily, southeastern Europe, and North Africa. The genetic pattern we find may reflect different glacial refugia: an Iberian/North African refugium for L. virens virens; a potential Italian refugium for L. virens vestalis; and a Sicilian/North African refugium for the Sicilian populations.

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Rattanachan, Kaewpawika, Narumon Sangpradub y Tosaphol Saetung Keetapithchayakul. "Description of the larva of Vestalis gracilis (Rambur, 1842) (Zygoptera: Calopterygidae) from Thailand". International Journal of Odonatology 25 (10 de enero de 2022): 1–6. http://dx.doi.org/10.48156/1388.2022.1917151.

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Vestalis gracilis (Rambur, 1842) is a forest stream damselfly belonging to the family Calopterygidae. Its last-stadium larvae and exuviae are described and illustrated based on laboratory-raised specimens from Thailand, and observations of agonistic behavior are provided. The taxonomical characters of V. gracilis larvae are similar to those of V. amoena. They exhibit synapomorphic characters such as posterlaterally directed protuberances on the postocular lobes, posterior margin of median lamella obliquely truncate, and two setae on labial palps. Vestalis gracilis and V. luctuosa bear eight antennal segments whereas seven antennal segments are found in V. amoena. The most significant difference between V. gracilis and V. luctuosa is that V. luctuosa has posterolaterally directed protuberances on the postocular lobes and an obliquely truncate posterior margin of the median lamella.

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Vesilind, P. Aarne. "VESTAL VIRGINS AND ENGINEERING ETHICS". Ethics & the Environment 7, n.º 1 (marzo de 2002): 92–101. http://dx.doi.org/10.2979/ete.2002.7.1.92.

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Vesilind, P. Aarne. "Vestal Virgins and Engineering Ethics". Ethics & the Environment 7, n.º 1 (2002): 92–101. http://dx.doi.org/10.1353/een.2002.0011.

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Uefune, Masayoshi, Soichi Kugimiya, Rika Ozawa y Junji Takabayashi. "Parasitic wasp females are attracted to blends of host-induced plant volatiles: do qualitative and quantitative differences in the blend matter?" F1000Research 2 (22 de abril de 2013): 57. http://dx.doi.org/10.12688/f1000research.2-57.v2.

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Naïve Cotesia vestalis wasps, parasitoids of diamondback moth (DBM) larvae, are attracted to a synthetic blend (Blend A) of host-induced plant volatiles composed of sabinene, n-heptanal, α-pinene, and (Z)-3-hexenyl acetate, in a ratio of 1.8:1.3:2.0:3.0. We studied whether qualitative (adding (R)-limonene: Blend B) or quantitative changes (changing ratios: Blend C) to Blend A affected the olfactory response of C. vestalis in the background of intact komatsuna plant volatiles. Naïve wasps showed equal preference to Blends A and B and Blends A and C in two-choice tests. Wasps with oviposition experience in the presence of Blend B preferred Blend B over Blend A, while wasps that had oviposited without a volatile blend showed no preference between the two. Likewise, wasps that had starvation experience in the presence of Blend B preferred Blend A over Blend B, while wasps that had starved without a volatile blend showed no preference between the two. Wasps that had oviposition experience either with or without Blend A showed equal preferences between Blends C and A. However, wasps that had starvation experience in the presence of Blend A preferred Blend C over Blend A, while those that starved without a volatile blend showed equal preferences between the two. By manipulating quality and quantity of the synthetic attractants, we showed to what extent C. vestalis could discriminate/learn slight differences between blends that were all, in principle, attractive.

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46

Goldin, Tamara. "Vesta's veneer". Nature Geoscience 5, n.º 11 (noviembre de 2012): 762. http://dx.doi.org/10.1038/ngeo1630.

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Christensen, Tina Dransfeldt. "Forord". Tidsskrift for Islamforskning 11, n.º 1 (19 de diciembre de 2017): 4. http://dx.doi.org/10.7146/tifo.v11i1.102864.

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Vi er i redaktionen på Tidsskrift for Islamforskning glade for at kunne præsentere dette temanummer om islam, modernitet og subjektivitetsdannelse. Det kollektive forskningsprojekt “Modern Muslim Subjectivities” (2013-2018) indskriver sig i en langstrakt, men til stadighed aktuel postkolonial diskussion om brugen af såkaldt vestlig videnskabsteori i studiet af islam og den muslimske verden. Er moderne muslimsk subjektivitetsdannelse fundamentalt forskellig fra vestlig subjektivitetsdannelse, og kalder studier af islam og muslimer derfor på andre metoder og teorier end såkaldt vestlig videnskabsteori? Det er et af det kollektive forskningsprojekts hovedspørgsmål, som artiklerne i dette temanummer går kritisk til.Som Homi K. Bhabha allerede i 1984 argumenterede, er ideen om en universel og neutral videnskabsteori stærkt eurocentrisk, og den er sjældent kritisk bevidst om egne grundantagelser og blinde vinkler. Men modargumentet, at historisk og ideologisk bestemt vestlig modernitet, herunder individualisme, liberal humanisme, autonomi, fremskridt osv., ikke adækvat kan beskrive det “koloniale subjekts” (her: muslimers) erfaringer, indskriver sig, ifølge Bhabha, i det samme epistemologiske system, hvor modsætningen til vestlig videnskabsteori bliver blind imitation af en “autentisk” og “eviggyldig” tradition.I stedet for at lade kanoniske tekster og autoritative fortolkninger af disse være målestok for moderne muslimsk subjektivitetsdannelse – en metode, som har karakteriseret den orientalistiske forskningstradition – analyserer de delprojekter, som præsenteres i temasektionen, sociale praksisser og religiøse diskurser med udgangspunkt i såkaldt vestlig socialteori. Formålet er at udfordre den antagelse, at muslimsk subjektivitetsdannelse skulle være fundamentalt anderledes end vestlig subjektivitetsdannelse og at diskutere moderne subjektivitetsdannelse som en flertydig størrelse. Det vil sige, at delprojekterne opererer ud fra den antagelse, at man uden at universalisere kan anvende vestlig socialteori i studiet af islam og muslimer, og at ny empiri omvendt kan bidrage til en kritisk udvikling af eksisterende teorier om modernitet og subjektivitetsdannelse.Sociolog Abdelkébir Khatibi har i denne sammenhæng bl.a. peget på nødvendigheden af en dobbeltkritik. Det vil sige, en samtidig kritik af ideen om, at alene vestlig videnskabsteori er universaliserbar, mens ikke-vestlig teori altid er kulturspecifik og kun anvendelig i den kontekst, den er udtænkt. Khatibis dobbeltkritik har i den forstand til formål at dekonstruere det hierarkiske forhold mellem vestlig tænkning og arabisk tænkning og forestillingen om, at modernitet er et vestligt fænomen, som muslimer enten kan imitere på bekostning af deres egen kulturelle og religiøse tradition eller afvise for at beskytte sidstnævnte. I denne forstand hænger Mounir Ainouz’ artikel “Reformbevægelsen: Liberal salafiyya i Marokko” i den åbne sektion af dette nummer fint sammen med temanummerets artikler. Som et hybridfænomen er den marokkanske liberale salafisme netop et udtryk for, at modernitet kan antage mange former, og at ny empiri kan udfordre vores forståelse af forholdet mellem tradition og modernitet. Samtidig viser Ainouz, at arabiske kritikere som Muhammad ‘Ābed al-Jābrī kan bidrage med kritiske perspektiver på aktuel forskning i salafisme, som i høj grad har fokuseret på terror, militant aktivisme og ekstremisme på bekostning af salafistiske bevægelser, der udfordrer vores forståelse af salafisme og demokrati som hinandens modsætninge.Ph.d. og lektor ved Center for Mellemøststudier på Syddansk Universitet, Kirstine Sinclair, er gæsteredaktør på temasektionen, og artiklerne heri er præsenteret i hendes indledning.God læselyst!

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Inya, Odo Joel y Edna Ebele Odo. "Toxic Stress Exhibited by Juveniles of Clarias gariepius Exposed Toacute Concentrations of Vestaline (Pendimethalin) Herbicide". American Journal of Aquaculture and Animal Science 1, n.º 1 (10 de diciembre de 2022): 21–26. http://dx.doi.org/10.54536/ajaas.v1i1.949.

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The studyAcute effects of vestaline (pendimethalin) herbicide exposed to juveniles of African catfish (Clarias gariepinus) was carried out to determine the toxicity of the herbicide using static bioassay. The study was designed with emphasis on the effects of Vestaline (Pendimethalin) on the behavioural and mortality rate of Clarias gariepinus juveniles. Also to study the effects of Vestaline (Pendimethalin) herbicideonphysico-chemical parameters of exposed water. The acute toxicity was carried out using 180 healthy fish of mean weight 27.97±0.03g which were divided into six treatments with each treatment having ten fish and the setup was in triplicate. The fish were exposed to 33,82.5,115.5,148.5,181.5mg/l concentrations of Vestaline (Pendimethalin) for 96 hours with control (0mg/l) also setup. The behavioural responses observed during the acute toxicity were; aggression, mucus secretion, erratic swimming, air gulping and discoloration. Data obtained were subjected to analysis of variance (ANOVA) and Regression at p< 0.05using Minitab 17.The results showed that all the behavioural responses were dose dependant. Also there was no mortality in the control (0.00mg/l) setup while mortality increased with increased the control (0.00) setup, while mortality increased with increase in concentration. The LC50 value of Vestaline was determined to be 113.56mg/l. Results of the physico-chemical parameters of water exposed to acute concentrations decreased significantly (p<0.05) with increase in concentration for dissolved oxygen and increased in pH, Total dissolved solids (TDS) and Electrical conductivity(EC) while Temperature showed no significant difference (p>0.05 ). Vestaline (Pendimethalin) herbicide from this study is toxic on Clarias gariepinus juveniles and should be used with care.

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Wang, Yanping, Xiaotong Wu, Zehua Wang, Ting Chen, Sicong Zhou, Jiani Chen, Lan Pang et al. "Symbiotic bracovirus of a parasite manipulates host lipid metabolism via tachykinin signaling". PLOS Pathogens 17, n.º 3 (1 de marzo de 2021): e1009365. http://dx.doi.org/10.1371/journal.ppat.1009365.

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Parasites alter host energy homeostasis for their own development, but the mechanisms underlying this phenomenon remain largely unknown. Here, we show that Cotesia vestalis, an endoparasitic wasp of Plutella xylostella larvae, stimulates a reduction of host lipid levels. This process requires excess secretion of P. xylostella tachykinin (PxTK) peptides from enteroendocrine cells (EEs) in the midgut of the parasitized host larvae. We found that parasitization upregulates PxTK signaling to suppress lipogenesis in midgut enterocytes (ECs) in a non-cell-autonomous manner, and the reduced host lipid level benefits the development of wasp offspring and their subsequent parasitic ability. We further found that a C. vestalis bracovirus (CvBV) gene, CvBV 9–2, is responsible for PxTK induction, which in turn reduces the systemic lipid level of the host. Taken together, these findings illustrate a novel mechanism for parasite manipulation of host energy homeostasis by a symbiotic bracovirus gene to promote the development and increase the parasitic efficiency of an agriculturally important wasp species.

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Turrini, D., V. Svetsov, G. Consolmagno, S. Sirono y S. Pirani. "Olivine on Vesta as exogenous contaminants brought by impacts: Constraints from modeling Vesta's collisional history and from impact simulations". Icarus 280 (diciembre de 2016): 328–39. http://dx.doi.org/10.1016/j.icarus.2016.07.009.

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