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Статті в журналах з теми "Dryocosmus kuriphilu"

Автор: Grafiati

Опубліковано: 10 березня 2023

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1

MELIKA, GEORGE, GEORGE I. MEMTSAS, JAMES A. NICHOLLS, and DIMITRIOS N. AVTZIS. "New species of cynipid inquiline, Saphonecrus kuriphilusi (Hymenoptera: Cynipidae: Synergini), from Dryocosmus kuriphilus galls in Greece." Zootaxa 4441, no. 1 (June 26, 2018): 109. http://dx.doi.org/10.11646/zootaxa.4441.1.6.

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Анотація:

Since Dryocosmus kuriphilus (Hymenoptera: Cynipidae) emerged worldwide as a dangerous pest of chestnuts, there is only one dubious record from Japan of a cynipid inquiline reared from its galls. This is the first comprehensively documented record of a cynipid inquiline, Saphonecrus kuriphilusi, new species reared from galls of D. kuriphilus in Greece. Morphological description, morphological and molecular diagnostic characters for the new species are given.

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2

Michal, Pástor, Juhásová Gabriela, Juhás Dušan, Bakay Ladislav, Kollár Ján, and Tibor Benčať. "Occurrence of oriental chestnut gall wasp Dryocosmus kuriphilus (Hymenoptera, Cynipidae) in Slovakia – short communication." Plant Protection Science 53, No. 4 (August 30, 2017): 243–46. http://dx.doi.org/10.17221/171/2016-pps.

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Анотація:

During 2014–2016, damage by the oriental chestnut gall wasp Dryocosmus kuriphilus Yasumatsu (Hymenoptera, Cynipidae) was found on sweet chestnut trees at 4 localities in Slovakia. Dryocosmus kuriphilus is a specific plant pest on Castanea spp. In Europe it is considered as the most harmful insect pest on Castanea sativa. It is the first report of the oriental chestnut gall wasp occurrence on chestnut trees in Slovakia.

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3

Franquinho Aguiar, António M., Délia Cravo, Luís M. F. Dantas, and Teresa M. Vieira da Luz. "The Oriental Chestnut Gall-wasp Dryocosmus Kuriphilus Yasumatsu, 1951, (Hymenoptera: Cynipidae) and Its Introduced and Native Parasitoids in Madeira Island, Portugal, with Notes on Some Other Parasitic Hymenoptera Reared from Gall Samples." Entomologist's Monthly Magazine 158, no. 3 (July 29, 2022): 175–90. http://dx.doi.org/10.31184/m00138908.1583.4143.

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Анотація:

The accidental introduction to Madeira of the invasive chestnut gall wasp (CGW), Dryocosmus kuriphilus, is reviewed, as is the subsequent biological control programme implemented by the Regional authorities. This control programme was based on the importation of a non-native parasitoid, Torymus sinensis. Results from five years of parasitoid release are presented, including a list of native parasitoid species associated with D. kuriphilus galls in Madeira. Five species of Hymenoptera are listed as new records for Madeira: Dryocosmus kuriphilus Yasumatsu, 1951; Torymus sinensis Kamijo, 1982; Bootanomyia dorsalis (Fabricius, 1798); Colpoclypeus florus (Walker, 1839), and Ufens foersteri (Kryger, 1918).

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4

Yang, Xiao-Hui, Xiang-Mei Li, Dao-Hong Zhu, Yang Zeng, and Lv-Quan Zhao. "The Diversity and Dynamics of Fungi in Dryocosmus kuriphilus Community." Insects 12, no. 5 (May 10, 2021): 426. http://dx.doi.org/10.3390/insects12050426.

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Анотація:

Dryocosmus kuriphilus (Hymenoptera: Cynipidae) is a gall wasp that induces insect galls on chestnut trees and results in massive yield losses worldwide. Fungi can cause the necrosis of chestnut trees and the death of gall wasps. The aim of this research was to investigate the potential role of D. kuriphilus in the transmission of fungi. We sequenced the ribosomal RNA internal transcribed spacer region 1 of fungi in D. kuriphilus adults, associated insect galls and the galled twigs of Castanea mollissima, using high-throughput sequencing. We compared the species richness, α-diversity and community structure of fungi in D. kuriphilus adults, insect galls and the galled twigs. We provide the first evidence that D. kuriphilus adults shared most fungal species with associated insect galls and the galled twigs, and were dominated by Botryosphaeria sp., Aspergillus sp. and Diaporthe sp. We suggest D. kuriphilus adults may be potential vectors of plant pathogens and may facilitate the transmission of fungi between chestnut trees. Furthermore, the fungi may horizontally transmit among D. kuriphilus adults, associated insect galls and the galled twigs.

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5

Skrypnyk, N., and O. Marieva. "Eastern chestnuts nuts — dangerous chestnut pest." Karantin i zahist roslin, no. 5-6 (May 20, 2019): 5–8. http://dx.doi.org/10.36495/2312-0614.2019.5-6.5-8.

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Анотація:

Goal. Determine the main ways of entry into the country of the dangerous quarantine type of eastern chestnut walnut-fruit (Asian chestnut gall Trach). Methods. Analytical informational messages of the European and Mediterranean Plant Protection Organization (EPPO), as well as data of EU phytosanitary services, literature and Internet resources. Results. Information is given on the new economically important species of Dryocosmus kuriphilus Yas., which is rapidly spreading in the countries of Europe. In Ukraine, the eastern chestnut nut walnut has a quarantine status. The threat of entering the species Dryocosmus kuriphilus with planting material (seedlings) of certain types of chestnuts from European countries in Ukraine exists. The absence of natural enemies contributes to the active resettlement of the pest. The focus should be on the study of the entomophages of the walnutworm. It is known that in Japan it is found in 26 species of parasitoids that control reproduction, in China — 11, in Korea and Italy — 15 species. The rapid spread of the pest in the EU is of great concern to scientists. The lack of natural enemies, as well as effective drugs approved for use, threaten the disappearance of chestnut plantations. The experience of some European countries shows that it effectively regulates the number of its specialized Torymus sinensis parasitoids, which was introduced into Europe from China and Japan. Conclusions There is a danger of entering into Ukraine the species Dryocosmus kuriphilus, which has quarantine status and is a threat to chestnut plantations.

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6

Yang, Xiaohui, Yu Hui, Daohong Zhu, Yang Zeng, Lvquan Zhao, Xuemei Yang, and Yumei Wang. "The Diversity of Bacteria Associated with the Invasive Gall Wasp Dryocosmus kuriphilus, Its Galls and a Specialist Parasitoid on Chestnuts." Insects 13, no. 1 (January 13, 2022): 86. http://dx.doi.org/10.3390/insects13010086.

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Анотація:

Dryocosmus kuriphilus (Hymenoptera: Cynipidae) induces galls on chestnut trees, which results in massive yield losses worldwide. Torymus sinensis (Hymenoptera: Torymidae) is a host-specific parasitoid that phenologically synchronizes with D. kuriphilus. Bacteria play important roles in the life cycle of galling insects. The aim of this research is to investigate the bacterial communities and predominant bacteria of D. kuriphilus, T. sinensis, D. kuriphilus galls and the galled twigs of Castanea mollissima. We sequenced the V5–V7 region of the bacterial 16S ribosomal RNA in D. kuriphilus, T. sinensis, D. kuriphilus galls and galled twigs using high-throughput sequencing for the first time. We provide the first evidence that D. kuriphilus shares most bacterial species with T. sinensis, D. kuriphilus galls and galled twigs. The predominant bacteria of D. kuriphilus are Serratia sp. and Pseudomonas sp. Furthermore, the bacterial community structures of D. kuriphilus and T. sinensis clearly differ from those of the other groups. Many species of the Serratia and Pseudomonas genera are plant pathogenic bacteria, and we suggest that D. kuriphilus may be a potential vector of plant pathogens. Furthermore, a total of 111 bacteria are common to D. kuriphilus adults, T. sinensis, D. kuriphilus galls and galled twigs, and we suggest that the bacteria may transmit horizontally among D. kuriphilus, T. sinensis, D. kuriphilus galls and galled twigs on the basis of their ecological associations.

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7

Jennings, M. T., and R. R. Askew. "Recruitment of native parasitoids by an introduced gall wasp Dryocosmus kuriphilus Yasumatsu, 1951 (Hymenoptera: Cynipidae) in Britain and France." Entomologist's Monthly Magazine 156, no. 2 (April 24, 2020): 111–16. http://dx.doi.org/10.31184/m00138908.1562.4034.

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Анотація:

The invasive chestnut gall wasp Dryocosmus kuriphilus Yasumatsu (Hymenoptera: Cynipidae) is a major pest species of Castanea spp. worldwide. It only arrived in Britain in 2015 and the parasitoid community associated with it was studied in 2019. Eight native species of chalcidoid, previously known to be associated with oak gall wasps, were identified. These results are compared to a similar study (2016–2019) in France where four parasitoids were reared. However, this community included the deliberately introduced Torymus sinensis Kamijo, a specific biological control agent of D. kuriphilus. The presence of T. sinensis and the differences between the two communities is discussed.

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8

Amorim, Amaro, Raúl Rodrigues, Leonel J. R. Nunes, Mariano Freitas, and Luísa Moura. "Dryocosmus kuriphilus Yasumatsu (Hymenoptera: Cynipidae) in Minho (Northern Portugal): Bioecology, Native Parasitoid Communities and Biological Control with Torymus sinensis Kamijo (Hymenoptera: Torymidae)." Agronomy 12, no. 9 (September 15, 2022): 2184. http://dx.doi.org/10.3390/agronomy12092184.

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Анотація:

The Asian chestnut gall wasp Dryocosmus kuriphilus Yasumatsu, native to China, was first detected in Europe in Italy in 2002. In Portugal it was declared in 2014, and it has since affected the Portuguese chestnut production. The introduction of its natural parasitoid Torymus sinensis Kamijo started through inoculative releases according to the National Action Plan for the Control of Dryocosmus kuriphilus, established by the Direção Geral de Agricultura e Veterenária (DGAV), in 2015. This research was carried out during 2018 and 2019, in five chestnut orchards in the Minho region (Northern Portugal). Between January and March 2018, at each location, three monthly harvests of 100 buds were carried out to determine the infestation level. Between April and June 2018, 240 galls were harvested every two weeks, with the purpose of studying the bioecology of D. kuriphilus. In each sampling site, 160 galls were placed in emergence boxes to follow adults of the D. kuriphilus population, and 80 galls were dissected with a binocular magnifying glass, to count and record the evolution of the larval stages of D. kuriphilus and of the parasitoids. The identification of T. sinensis and native parasitoids was carried out. The parasitism rates and Simpson diversity indices were determined. The percentage of buds infested by D. kuriphilus was high in all studied places, varying between 67% and 80%, regardless of the number of T. sinensis releases made and of the chestnut cultivars present in each orchard. The highest rate of parasitism by T. sinensis was 0.5044% and it was recorded in an orchard where there were two releases of T. sinensis in 2016 and 2017 (Arcos de Valdevez—Rio Cabrão—P1). Considering that the exotic parasitoid has already been released in the region since 2016, its establishment in all the chestnut orchards studied was confirmed, although with very low parasitism rates. The natural parasitism associated with the native parasitoid species of D. kuriphilus was confirmed in this work, recording values between 34% and 51% of the parasitized chestnut galls, with 11 species of native parasitoids having been identified: Eupelmus azureos, Eupelmus uruzonus, Eurytoma brunnivientris, Eurytoma pistaciae, Megastigmus dorsalis, Mesopolobus sp., Ormyrus pomaceus, Sycophila biguttata, Sycophila iracemae, Sycophila variegatta and Torymus flavipes.

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9

Warmund, Michele R. "Dryocosmus kuriphilus-induced Chestnut Galls and Their Inhabitants." HortScience 48, no. 8 (August 2013): 969–74. http://dx.doi.org/10.21273/hortsci.48.8.969.

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Анотація:

Studies were conducted to characterize altered tissues of larvae-infested buds and stem and leaf galls induced by Dryocosmus kuriphilus Yasumatsu on Chinese chestnut trees (Castanea mollissima Blume) and to describe gall inhabitants. Bud and gall samples were collected from chestnut trees growing in Mantua, OH, on 2 Mar. and 3 May 2012, respectively, and prepared for microscopy. Uni- and multilocular larval chambers containing one D. kuriphilus larva per chamber were observed in buds and stem galls. Evidence of insect-modified Castanea cells was present as a two-layer zone of hypertrophied plant cells adjacent to the larval chambers before budbreak on 2 Mar. By 3 May, stem and leaf galls were in the growth and differentiation stage of development. Within galls, torn cell walls and disorganized organelles were visible in the protoplasm of cells surrounding ovoid-shaped larval chambers. A continuous layer of nutritive cells with large nuclei and nucleoli, abundant lipid bodies and mitochondria, and fragmented vacuoles was contiguous to larval chambers. At the outermost region of the nutritive tissue, cells had recently divided. Larger vacuolated cells, with slightly thickened walls, were observed surrounding recently divided cells. Thin-walled parenchyma cells in the chestnut gall cortex had large vacuoles with fewer organelles than those of the nutritive layer. Vascular tissue within the gall was connected with that of the plant host tissue outside the gall. In some chestnut galls, a single parasitoid larva was found attached to a D. kuriphilus larva. Each parasitoid larva had six pairs of setae on its head capsule, a pair of clypeal setae, a notched labrum, a semicircular lobed labium, 13 post-cephalic body segments, and rows of long, erect setae on all body segments.

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10

BERNARDO, UMBERTO, LIBERATA GUALTIERI, FRANCESCO NUGNES, ELISA VERDOLINI, PAOLA RIOLO, and GENNARO VIGGIANI. "A new species of Soikiella Nowicki (Hymenoptera: Trichogrammatidae) from Italy." Zootaxa 4242, no. 1 (March 9, 2017): 185. http://dx.doi.org/10.11646/zootaxa.4242.1.10.

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Анотація:

A new species of Soikiella Nowicki (Hymenoptera: Trichogrammatidae) that emerged mostly from galls induced by Dryocosmus kuriphilus Yasumatsu (Hymenoptera: Cynipidae) on chestnut is described from Italy. The characterization of the new taxon, Soikiella italica Viggiani sp. n., was performed through a morpho-molecular approach. A key to the species of Soikiella is given. Emerging from the same samples were a few females of an unidentified species of Trichogramma Westwood that likely emerged from eggs of Lepidoptera associated with the galls. The true host of S. italica is also indicated to be the eggs of some insect other than D. kuriphilus that uses their galls as oviposition sites.

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11

Gil-Tapetado, Diego, María del Pilar Rodríguez-Rojo, Ángel Valderas, and Jose Luis Nieves-Aldrey. "Newly invaded territories by Dryocosmus kuriphilus in Spain and first records of Torymus sinensis in the Sistema Central." Forest Systems 29, no. 2 (July 23, 2020): eSC06. http://dx.doi.org/10.5424/fs/2020292-16384.

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Анотація:

Aim of the study: To update the distribution of Dryocosmus kuriphilus, the Asian chestnut gall wasp, focusing on the central area of the country (Sistema Central). Gall samplings of these areas were carried to obtain the first records of parasitoids on D. kuriphilus in this area.Area of study: Spain and, especially, the Sistema Central.Materials and methods: Georeferenced new records were used to produce a map with the updated distribution of D. kuriphilus as of 2019. Galls were collected and stored in emergence boxes. Parasitoids that emerge from these galls were collected and identified at the most detailed taxonomic level.Main results: The alien species D. kuriphilus was found in the Spanish Sistema Central. Infestation focal points were detected in the Valle del Jerte (South of Sierra de Gredos), Sierra de Francia and in the mountains southwest of Madrid. In all detected focal points of infestation, the available evidence indicates that introduction was caused by the accidental mobilization of infested chestnut material. Alongside other parasitoids recruited by D. kuriphilus, we found individuals of Torymus sinensis, constituting the first records of this foreign species in the Sistema Central.Research highlights: We updated the previously published distribution of D. kuriphilus in Spain, an alien species and pest of chestnut forests and orchards. We also reported the first list of recruited parasitoids by D. kuriphilus and, more specifically, the first records of T. sinensis in the Sistema Central.Keywords: Asian chestnut gall wasp; Torymus sinensis; parasitoids; galls; Iberian Peninsula; pest species; alien species.

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12

Zhu, Cancan, Fenghou Shi, Yu Chen, Min Wang, Yuqiang Zhao, and Guomin Geng. "Transcriptome Analysis of Chinese Chestnut (Castanea mollissima Blume) in Response to Dryocosmus kuriphilus Yasumatsu Infestation." International Journal of Molecular Sciences 20, no. 4 (February 15, 2019): 855. http://dx.doi.org/10.3390/ijms20040855.

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Анотація:

Chinese chestnut (Castanea mollissima Blume) can be infested by Dryocosmus kuriphilus Yasumatsu, resulting in gall formation and yield losses. Research on the control of gall wasps using genomics approaches is rarely reported. We used RNA-seq to investigate the dynamic changes in the genes of a chestnut species (C. mollissima B.) during four gall-formation stages caused by D. kuriphilus. A total of 21,306 genes were annotated by BLAST in databases. Transcriptome comparison between different gall-formation stages revealed many genes that were differentially expressed compared to the control. Among these, 2410, 7373, 6294, and 9412 genes were differentially expressed in four gall-formation stages: initiation stage (A), early growth stage (B), late growth stage (C), and maturation stage (D), respectively. Annotation analysis indicated that many metabolic processes (e.g., phenylpropanoid biosynthesis, secondary metabolism, plant–pathogen interaction) were affected. Interesting genes encoding putative components of signal transduction, stress response, and transcription factors were also differentially regulated. These genes might play important roles in response to D. kuriphilus gall formation. These new data on the mechanism by which D. kuriphilus infests chestnuts could help improve chestnut resistance.

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13

Balsa, Carlos, Albino Bento, and Francesco Paparella. "Biological control of the Asian chestnut gall wasp in Portugal: Insights from a mathematical model." PLOS ONE 16, no. 7 (July 21, 2021): e0254193. http://dx.doi.org/10.1371/journal.pone.0254193.

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Анотація:

In recent years, the Asian gall wasp Dryocosmus kuriphilus has invaded chestnut trees and significantly affected the Portuguese chestnut production. Studies in other countries, such as Japan or Italy, have shown that the parasitoid Torymus sinensis can successfully achieve biological control of D. kuriphilus. Mathematical models help us to understand the dynamics of the interaction between the pest D. kuriphilus and its parasitoid T. sinensis and, consequently, they can help to implement measures that enhance crop pest management. In this work, the evolution of the density of D. kuriphilus and T. sinensis across time and space is studied through the numerical solution of models that include parameters based on observations made in Portugal. Simultaneous releases of the parasitoid are simulated at various locations and at different times. The results indicate that, in the case of a small and homogeneous orchard, biological control can be effective, but, in the case of extensive domains, the pest control is much more difficult to achieve. In order for biological control to be efficient, it is necessary to implement, in each chestnut-producing region, a collective strategy based on the annual monitoring of infestation levels.

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14

Knapič, V., G. Seljak, and M. Kolšek. "Experience with Dryocosmus kuriphilus Yasumatsu eradication measures in Slovenia*." EPPO Bulletin 40, no. 2 (July 15, 2010): 169–75. http://dx.doi.org/10.1111/j.1365-2338.2010.02371.x.

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15

Lione, Guglielmo, Luana Giordano, Chiara Ferracini, Alberto Alma, and Paolo Gonthier. "Testing ecological interactions between Gnomoniopsis castaneae and Dryocosmus kuriphilus." Acta Oecologica 77 (November 2016): 10–17. http://dx.doi.org/10.1016/j.actao.2016.08.008.

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16

Warmund, M. R. "ANATOMICAL FEATURES OF CHESTNUT GALLS INDUCED BY DRYOCOSMUS KURIPHILUS." Acta Horticulturae, no. 1019 (February 2014): 239–42. http://dx.doi.org/10.17660/actahortic.2014.1019.36.

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17

Warmund, M. R. "DISINFESTATION OF DRYOCOSMUS KURIPHILUS YASUMATSU IN CASTANEA SCION WOOD." Acta Horticulturae, no. 1019 (February 2014): 243–47. http://dx.doi.org/10.17660/actahortic.2014.1019.37.

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18

Gehring, Eric, Bruno Bellosi, Nicola Reynaud, and Marco Conedera. "Chestnut tree damage evolution due to Dryocosmus kuriphilus attacks." Journal of Pest Science 93, no. 1 (August 17, 2019): 103–15. http://dx.doi.org/10.1007/s10340-019-01146-0.

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19

Martinez-Sañudo, I., L. Mazzon, M. Simonato, D. Avtzis, J. Pujade-Villar, and M. Faccoli. "Tracking the origin and dispersal of the Asian chestnut gall wasp Dryocosmus kuriphilus Yasumatsu (Hymenoptera, Cynipidae) in Europe with molecular markers." Bulletin of Entomological Research 109, no. 3 (October 1, 2018): 300–308. http://dx.doi.org/10.1017/s000748531800069x.

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Анотація:

AbstractThe Asian chestnut gall wasp, Dryocosmus kuriphilus, is an invasive pest causing significant damage to chestnut trees (Castanea spp., Fagaceae). Originating from China, it has recently invaded a wide range of regions in Europe and North America. Understanding the population genetic structure of important invasive pests is very useful for improving the knowledge concerning routes of expansion and colonizing capacity. Despite its economic importance, limited attention has been given to D. kuriphilus origin and spread, or to its genetic structure. In this study, D. kuriphilus populations sampled in eight European countries were screened using both mitochondrial (cytochrome c oxidase subunit 1; COI) and nuclear (internal transcribed spacer 2; ITS2) sequences, and Amplified Fragment Length Polymorphism (AFLP) markers. The molecular markers COI and ITS2 highlighted the presence of a single haplotype in all the studied populations. The recorded mitochondrial haplotype was identical to one of the most widespread haplotypes occurring in the native area (China). AFLP results indicated that D. kuriphilus individuals belong to two genetically distinct clusters without any further geographic clustering. These results suggest that D. kuriphilus populations in Europe could be the result of a single introduction of a Chinese founder population characterized by two genetically distinct lineages that subsequently spread rapidly across Europe. However, the possibility that populations originated from multiple introductions of the same Chinese mitochondrial haplotype cannot be excluded. The reported results provide useful information concerning this invasive species, potentially facilitating integrated pest management.

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20

Álvarez, Antonio J., and Rocío M. Oliva. "Textile Physical Barriers against the Chestnut Gall Wasp Dryocosmus kuriphilus." Agronomy 12, no. 7 (July 21, 2022): 1728. http://dx.doi.org/10.3390/agronomy12071728.

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Анотація:

Dryocosmus kuriphilus Yasumatsu is a species originating from China that, during the 20th century, has spread rapidly throughout many countries, affecting mainly different species of the genus Castanea spp. In fact, it is considered to be the most important pest of chestnut trees (Castanea sativa Miller), causing significant production losses. The adoption of complementary measures to chemical and biological controls would contribute to the control of the pest. In this sense, the use of textile physical barriers could prevent the rapid spread of this species among the production centers. Therefore, the objective of this study is to define the characteristics of a textile that protects young plants that have been produced in nurseries. For this purpose, some commercial textiles have been selected based on the morphometric characterization of the species and these textiles have been accurately measured in order to compare their dimensions with those of the insects. Finally, tests have been carried out in order to measure the efficacy of the textiles under laboratory conditions, controlling the air velocity and the temperature. The results reveal that, in general, theoretical efficacy may not be a good predictor of practical results. A fully effective screen has been found against this species and its design characteristics can be used as a starting point for new, more optimized designs.

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21

Germinara, G. S., A. De Cristofaro, G. Rotundo, B. Paparatti, S. Speranza, and E. Stacchiotti. "ELECTROANTENNOGRAPHIC RESPONSES OF DRYOCOSMUS KURIPHILUS TO CASTANEA SATIVA LEAF VOLATILES." Acta Horticulturae, no. 844 (October 2009): 387–94. http://dx.doi.org/10.17660/actahortic.2009.844.54.

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22

Sevarika, Milos, Marco Valerio Rossi Stacconi, and Roberto Romani. "Fine Morphology of Antennal and Ovipositor Sensory Structures of the Gall Chestnut Wasp, Dryocosmus kuriphilus." Insects 12, no. 3 (March 9, 2021): 231. http://dx.doi.org/10.3390/insects12030231.

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Анотація:

Dryocosmus kuriphilus is a gall-inducing insect, which can cause significant damage on plants of the genus Castanea Mill., 1754. Antennae and ovipositor are the main sensory organs involved in the location of suitable oviposition sites. Antennal sensilla are involved in the host plant location, while ovipositor sensilla assess the suitability of the ovipositional bud. On both organs, diverse sensillar organs are present. Here, the distribution and ultrastructural organization of the sensilla were investigated by scanning and transmission electron microscopy. The antennae of D. kuriphilus are filiform and composed of 14 antennomeres, with the distal flagellomere bearing the highest number of sensilla. On the antennae, 6 sensilla types were found; sensilla chaetica, campaniformia, coeloconica-I, coeloconica-II, trichoidea and placoidea. The sensilla placoidea and trichoidea were the most abundant types. On the external walls of the ovipositor, gustatory and mechanoreceptive sensilla were observed. Internally, the egg channel hosted two additional sensory structures. The putative functional role of each sensilla in the context of insect’s ecology is discussed as well as the ovipositional mechanism used by this insect.

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23

Speranza, S., M. Stacchiotti, and B. Paparatti. "ENDEMIC PARASITOIDS OF DRYOCOSMUS KURIPHILUS YASUMATSU (HYMENOPTERA: CINIPIDAE) IN CENTRAL ITALY." Acta Horticulturae, no. 844 (October 2009): 421–24. http://dx.doi.org/10.17660/actahortic.2009.844.58.

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24

ABE, Yoshihisa. "The Karyotype in the Chestnut Gall Wasp Dryocosmus kuriphilus (Hymenoptera: Cynipidae)." Applied Entomology and Zoology 29, no. 2 (1994): 299–300. http://dx.doi.org/10.1303/aez.29.299.

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25

CERASA, Giuliano, and Bruno MASSA. "Tettigoniidae (Orthoptera) ovipositing in old galls of Dryocosmus kuriphilus (Hymenoptera: Cynipidae)." European Journal of Entomology 113 (May 17, 2016): 397–402. http://dx.doi.org/10.14411/eje.2016.051.

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26

Maltoni, Alberto, Barbara Mariotti, Douglass F. Jacobs, and Andrea Tani. "Pruning methods to restore Castanea sativa stands attacked by Dryocosmus kuriphilus." New Forests 43, no. 5-6 (April 13, 2012): 869–85. http://dx.doi.org/10.1007/s11056-012-9323-y.

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27

Sartor, C., D. Torello Marinoni, A. Quacchia, and R. Botta. "Quick detection of Dryocosmus kuriphilus Yasumatsu (Hymenoptera: Cynipidae) in chestnut dormant buds by nested PCR." Bulletin of Entomological Research 102, no. 3 (January 27, 2012): 367–71. http://dx.doi.org/10.1017/s0007485311000812.

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Анотація:

AbstractDryocosmus kuriphilus Yasumatsu (Hymenoptera: Cynipidae) develops in chestnut buds that remain asymptomatic from oviposition (June–July) until budburst; it is, thus, easily spread by plant material used in propagation. Therefore, it is particularly interesting to identify infested plant batches before their movement. Unfortunately, a non-destructive method for checking buds has not yet been developed, and the only technique available is the screening of a bud sample. The visual investigation is long and requires highly skilled and trained staff. The purpose of this work was to set up an effective and fast method able to identify the presence of first instar larvae of D. kuriphilus in a large number of chestnut buds by PCR. Four primer pairs were designed on nuclear and mitochondrial sequences of a set of seven gall wasp taxa and tested on five different cynipid's DNA. Nested diagnostic PCR was carried out on DNA extracted from samples of 2 g buds simulating four levels of infestation (larvae were added to uninfested buds); 320 bp amplicon of 28S sequence was chosen as a marker to detect one larva out of 2 g buds. The method showed a potential efficiency of 5000 to 15,000 buds per week, depending on bud size.

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28

Panzavolta, Tiziana, Francesco Croci, Matteo Bracalini, George Melika, Stefano Benedettelli, Guido Tellini Florenzano, and Riziero Tiberi. "Population Dynamics of Native Parasitoids Associated with the Asian Chestnut Gall Wasp (Dryocosmus kuriphilus) in Italy." Psyche: A Journal of Entomology 2018 (2018): 1–13. http://dx.doi.org/10.1155/2018/8078049.

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Анотація:

Native parasitoids may play an important role in biological control. They may either support or hinder the effectiveness of introduced nonnative parasitoids released for pest control purposes. Results of a three-year survey (2011–2013) of the Asian chestnut gall wasp (ACGW) Dryocosmus kuriphilus Yasumatsu (Hymenoptera: Cynipidae) populations and on parasitism rates by native indigenous parasitoids (a complex of chalcidoid hymenopterans) in Italian chestnut forests are given. Changes in D. kuriphilus gall size and phenology were observed through the three years of study. A total of 13 species of native parasitoids were recorded, accounting for fluctuating parasitism rates. This variability in parasitism rates over the three years was mainly due to the effect of Torymus flavipes (Walker) (Hymenoptera: Torymidae), which in 2011 accounted for 75% of all parasitoid specimens yet decreased drastically in the following years. This strong fluctuation may be related to climatic conditions. Besides, our data verified that parasitoids do not choose host galls based on their size, though when they do parasitize smaller ones, they exploit them better. Consequently, ACGWs have higher chances of surviving parasitism if they are inside larger galls.

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29

Graziosi, Ignazio, and Lynne K. Rieske. "Potential Fecundity of a Highly Invasive Gall Maker,Dryocosmus kuriphilus(Hymenoptera: Cynipidae)." Environmental Entomology 43, no. 4 (August 1, 2014): 1053–58. http://dx.doi.org/10.1603/en14047.

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30

Zhang Zhi-yong. "STUDY APPROACHES ON THE CHESTNUT GALL WASP, DRYOCOSMUS KURIPHILUS YASUMATSU IN CHINA." Acta Horticulturae, no. 844 (October 2009): 425–32. http://dx.doi.org/10.17660/actahortic.2009.844.59.

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31

Aebi, A., K. Schönrogge, G. Melika, A. Quacchia, A. Alma, and G. N. Stone. "Native and introduced parasitoids attacking the invasive chestnut gall wasp Dryocosmus kuriphilus." EPPO Bulletin 37, no. 1 (April 2007): 166–71. http://dx.doi.org/10.1111/j.1365-2338.2007.01099.x.

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32

Germinara, Giacinto S., Antonio De Cristofaro, and Giuseppe Rotundo. "Chemical Cues for Host Location by the Chestnut Gall Wasp, Dryocosmus kuriphilus." Journal of Chemical Ecology 37, no. 1 (December 9, 2010): 49–56. http://dx.doi.org/10.1007/s10886-010-9893-0.

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33

Kovács, Gabriella, and László Radócz. "Chestnut tree: an appropriate choich for rural developement in Europe (review)." Acta Agraria Debreceniensis, no. 68 (February 18, 2016): 55–59. http://dx.doi.org/10.34101/actaagrar/68/1770.

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Анотація:

In chestnut plantations or in associations many pathogens and pests can be found. They are causing more than a hundred year problem in chestnut protection, for example the blight fungus Cryphonectria parasitica. Lot of breeders hybridized the Castanea sativa and Castanea dentata with the tolerant asian species. Nowadays the presence of Dryocosmus kuriphilus seems to be the main risk. However, there are more and more chestnut plantations in Europe because of the extensive growth of needs. The food industry produces many products from chestnut, but the wood industry also use it more and more. In most of European countries the chestnut stands represent landscape aesthetics and touristic value, but probably the number of farmers inquiring the plantation will be increase in Hungary.

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34

Kovács, Gabriella, Dominika Bodnár, Gábor Tarcali, and László Radócz. "Biological control of sweet chestnut on Pécsbánya, Hungary." Acta Agraria Debreceniensis, no. 74 (June 30, 2018): 77–81. http://dx.doi.org/10.34101/actaagrar/74/1668.

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The supervision of plant hygiene of sweet chestnut grove on Pécsbánya (South Hungary) started more than four years ago. Hypovirulent strains were applied as a biological process to control Cryphonectria parasitica fungus which causes the chestnut blight disease. By now the performed interventions have shown obvious results, the vitality of the trees has greatly improved, the amount of harvested nuts is increasing, and the hypovirulent strain has been spreading within the area. During plant health inspection the galls of chestnut gall wasp (Dryocosmus kuriphilus) was found in the year of 2015, which is the obvious symptom of new occurrence of the pest. The pest was eradicated by destroy galls, which allows taking out of consideration the damage by now in this area.

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35

OHKUBO, Nobuo. "Distribution of parasitoids of chestnut gall wasp, Dryocosmus kuriphilus YASUMATSU in Nagasaki Prefecture." Kyushu Plant Protection Research 38 (1992): 190–92. http://dx.doi.org/10.4241/kyubyochu.38.190.

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36

Seddaiu, S., A. Cerboneschi, C. Sechi, and A. Mello. "Gnomoniopsis castaneae associated with Dryocosmus kuriphilus galls in chestnut stands in Sardinia (Italy)." iForest - Biogeosciences and Forestry 10, no. 2 (April 30, 2017): 440–45. http://dx.doi.org/10.3832/ifor2064-009.

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37

Delalić, Z. "Intense Appearance Of Chestnut Gall Wasp (Dryocosmus Kuriphilus Yasumatsu) In Bosnia And Herzegovina." Acta Scientific Agriculture 3, no. 9 (August 6, 2019): 10–14. http://dx.doi.org/10.31080/asag.2019.03.0597.

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38

Zhu, Dao-Hong, Yi-Yuan He, Yong-Sheng Fan, Ming-Yong Ma, and De-Liang Peng. "Negative evidence of parthenogenesis induction by Wolbachia in a gallwasp species, Dryocosmus kuriphilus." Entomologia Experimentalis et Applicata 124, no. 3 (September 2007): 279–84. http://dx.doi.org/10.1111/j.1570-7458.2007.00578.x.

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39

MATSUO, Kazunori, Kaori YARA, Kumiko KAGOSHIMA, Midori TUDA, and Seiichi MORIYA. "Finding of Torymus koreanus (Hymenoptera: Torymidae) attacking Dryocosmus kuriphilus (Hymenoptera: Cynipidae) in Japan." Entomological Science 14, no. 1 (January 2011): 100–102. http://dx.doi.org/10.1111/j.1479-8298.2010.00416.x.

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40

Magro, P., S. Speranza, M. Stacchiotti, D. Martignoni, and B. Paparatti. "Gnomoniopsis associated with necrosis of leaves and chestnut galls induced by Dryocosmus kuriphilus." Plant Pathology 59, no. 6 (November 2, 2010): 1171. http://dx.doi.org/10.1111/j.1365-3059.2010.02336.x.

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41

Kato, Kazutaka, and Naoki Hijii. "Optimal clutch size of the chestnut gall-wasp,Dryocosmus kuriphilus yasumatsu (Hymenoptera: Cynipidae)." Researches on Population Ecology 35, no. 1 (June 1993): 1–14. http://dx.doi.org/10.1007/bf02515640.

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42

Quacchia, A., S. Moriya, and G. Bosio. "EFFECTIVENESS OF TORYMUS SINENSIS IN THE BIOLOGICAL CONTROL OF DRYOCOSMUS KURIPHILUS IN ITALY." Acta Horticulturae, no. 1043 (July 2014): 199–204. http://dx.doi.org/10.17660/actahortic.2014.1043.26.

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43

Gehring, Eric, Bruno Bellosi, Ambra Quacchia, and Marco Conedera. "Assessing the impact of Dryocosmus kuriphilus on the chestnut tree: branch architecture matters." Journal of Pest Science 91, no. 1 (April 11, 2017): 189–202. http://dx.doi.org/10.1007/s10340-017-0857-9.

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44

YILDIZ, Yafes, İ̇brahim YILDIRIM, Ertan ALBAS, Cengiz BOSTANCI, and Onur AYDOĞAN. "İstilacı Tür Kestane Gal Arısı (Dryocosmus kuriphilus) Yasumatsu (Hymenoptera: Cynipidae)’nin Yeni Yayılış Alanları." Bartın Orman Fakültesi Dergisi 22, no. 3 (December 15, 2020): 1014–22. http://dx.doi.org/10.24011/barofd.757132.

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45

MORIYA, Seiichi. "History of Classical Biological Control of the Invasive Chestnut Pest Dryocosmus kuriphilus." TRENDS IN THE SCIENCES 21, no. 8 (2016): 8_34–8_39. http://dx.doi.org/10.5363/tits.21.8_34.

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46

Prospero, S., and B. Forster. "Chestnut gall wasp (Dryocosmus kuriphilus) infestations: new opportunities for the chestnut blight fungusCryphonectria parasitica?" New Disease Reports 23 (June 30, 2011): 35. http://dx.doi.org/10.5197/j.2044-0588.2011.023.035.

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47

Dini, F., c. Sartor, D. Torello Marinoni, A. Quacchia, and R. Botta. "Gene expression following infestation by gall-wasp (Dryocosmus kuriphilus Yasumatsu) in chestnut (Castanea spp)." Journal of Biotechnology 150 (November 2010): 504. http://dx.doi.org/10.1016/j.jbiotec.2010.09.790.

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48

Bonsignore, Carmelo Peter, Giusi Vizzari, Gregorio Vono, and Umberto Bernardo. "Short-Term Cold Stress Affects Parasitism on the Asian Chestnut Gall Wasp Dryocosmus kuriphilus." Insects 11, no. 12 (November 28, 2020): 841. http://dx.doi.org/10.3390/insects11120841.

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Анотація:

Temperature variation affects interactions involving plants, herbivores, and parasitoids, causing a mismatch between their phenological cycles. In the context of climate change, climatic factors can undergo profound and sudden changes, such as sudden hot or cold snaps. Herein, we show that the number of episodes of short but sustained low temperatures has increased, mainly during May, over the last two decades. We subjected galls induced by the Asian chestnut gall wasp (ACGW) Dryocosmus kuriphilus to cold stress to assess whether and, if so, how it affected the pest and its parasitoids. Over the course of two years, we measured seasonal parasitism, parasitism rates, the relative abundance of each parasitoid species, and ACGW mortality. We found that the cold treatment affected both the pest and the parasitoids, resulting in a reduction in the emergence of ACGWs and differing ratios of species within the parasitoid community. The most striking example was the change in the relative frequency of three species of Eupelmus spp. and Mesopolobus tibialis, which doubled in cold-stressed galls in all chestnut fields. The effects of temperature on the development of the host and the direct effects of cold temperatures on the surface of galls (in terms of the humidity or hardness of the galls) warrant further research in this direction.

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49

Bosio, G., C. Gerbaudo, and E. Piazza. "DRYOCOSMUS KURIPHILUS YASUMATSU: AN OUTLINE SEVEN YEARS AFTER THE FIRST REPORT IN PIEDMONT (ITALY)." Acta Horticulturae, no. 866 (June 2010): 341–48. http://dx.doi.org/10.17660/actahortic.2010.866.43.

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50

Jara-Chiquito, Juan Luis, Richard R. Askew, and Juli Pujade-Villar. "The invasive ACGW Dryocosmus kuriphilus (Hymenoptera: Cynipidae) in Spain: native parasitoid recruitment and association with oak gall inducers in Catalonia." Forestry: An International Journal of Forest Research 93, no. 1 (November 29, 2019): 178–86. http://dx.doi.org/10.1093/forestry/cpz061.

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Анотація:

Abstract The Asian chestnut gall wasp (ACGW), Dryocosmus kuriphilus (Hymenoptera: Cynipidae), is an invasive pest that affects chestnut trees. The first record of this pest in Spain was in 2012, in Catalonia, and it is now distributed in virtually every chestnut growing area in the country. In this study, we present an overview of parasitoid recruitment by ACGW in Catalonia over a 4-year period (2013–2016) comparing parasitoid communities attacking galls on oak and chestnut trees at the same sites. A total of 22 species of native parasitoids that normally attack oak cynipids emerged from ACGW galls, together with the non-native Torymus sinensis. The most abundant species were Bootanomyia dorsalis, Torymus flavipes, Ormyrus pomaceus and Eupelmus urozonus. The study also found that 20 of the 22 native parasitoids in ACGW galls were also reared from galls of 13 species of oak gall inducer (12 Cynipidae, 1 Cecidomyiidae).

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