Готові списки джерел за темами / Uraba lugens

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Добірка наукової літератури з теми "Uraba lugens"

Автор: Grafiati

Опубліковано: 4 червня 2021

Оновлено: 28 січня 2023

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Статті в журналах з теми "Uraba lugens"

Berndt, L. A., S. Mansfield, and T. M. Withers. "A method for host range testing of a biological control agent for Uraba lugens." New Zealand Plant Protection 60 (August 1, 2007): 286–90. http://dx.doi.org/10.30843/nzpp.2007.60.4604.

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Анотація:

Uraba lugens (gum leaf skeletoniser) is a serious pest of Eucalyptus spp in Australia It is now well established in the greater Auckland region and is spreading Two parasitoid species are under consideration as potential biological control agents of U lugens This paper describes host range testing methods developed using one of these species (Cotesia urabae) against two nontarget species Helicoverpa armigera and Spodoptera litura Using sequential nochoice tests to test the response of mated C urabae females clear preferences were observed for U lugens over both nontarget test species Some females did attempt to attack the nontarget species but no evidence of parasitism was observed when nontarget hosts were reared or dissected This method elucidated both behavioural responses and physiological development of C urabae and it is proposed to be a suitable host range testing method for full evaluation of this species

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Mansfield, S., D. J. Kriticos, K. J. B. Potter, and M. C. Watson. "Parasitism of gum leaf skeletoniser (Uraba lugens) in New Zealand." New Zealand Plant Protection 58 (August 1, 2005): 191–96. http://dx.doi.org/10.30843/nzpp.2005.58.4271.

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Анотація:

The gum leaf skeletoniser (Uraba lugens) a significant pest in Australia is now well established on Eucalyptus spp in the Auckland region One larval parasitoid (Meteorus pulchricornis) and two pupal parasitoids (Xanthopimpla rhopaloceros and Anacis sp) were recorded from U lugens collected in southwest Auckland Parasitism of M pulchricornis and X rhopaloceros against U lugens and other hosts in New Zealand (Helicoverpa armigera and Epiphyas postvittana respectively) was compared using nochoice and choice tests under controlled conditions Uraba lugens is a suitable host for development of both M pulchricornis and X rhopaloceros Choice tests revealed that M pulchricornis prefers H armigera larvae to U lugens Attack by X rhopaloceros occurred only when host pupae were presented within their cocoons Meteorus pulchricornis may compete with proposed classical biological control agents introduced against U lugens while X rhopaloceros is more likely to complement them

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Potter, K. J. B., and A. E. A. Stephens. "Suitability of valued eucalypt species for the larval development of the gum leaf skeletoniser Uraba lugens." New Zealand Plant Protection 58 (August 1, 2005): 184–90. http://dx.doi.org/10.30843/nzpp.2005.58.4270.

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Анотація:

Gum leaf skeletoniser Uraba lugens is native to Australia and is a common defoliator of Eucalyptus Uraba lugens was first recorded in New Zealand in 1992 and is now well established in the Auckland region As U lugens has the potential to damage Eucalyptus in New Zealand nochoice larval development trials were used to assess the ability of U lugens larvae to develop on 18 Eucalyptus species that are highly valued in New Zealand Eucalyptus nitens and E nicholii were the most suitable larval hosts as larval mortality was low and development time was brief Larvae reared on E fastigata had a rapid development time and high growth rates resulting in heavy female pupae although larval mortality was in the intermediate range Species that were least suitable for U lugens development included Corymbia maculata E microcorys the juvenile foliage of E globulus globulus and E globulus maidenii

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Gresham, B. A., G. Avila, L. A. Berndt, and T. M. Withers. "Initial establishment and further releases of Cotesia urabae a biological control agent for Uraba lugens in New Zealand." New Zealand Plant Protection 65 (January 8, 2012): 292. http://dx.doi.org/10.30843/nzpp.2012.65.5405.

Повний текст джерела

Анотація:

Cotesia urabae (Hymenoptera Braconidae) a solitary larval endoparasitoid of the eucalypt pest Uraba lugens (Lepidoptera Nolidae) was approved for use as a biological control agent in New Zealand in July 2010 and initial releases were made at two sites in central and south Auckland between January and June 2011 Initial establishment of C urabae has now been confirmed at the central Auckland Domain site as parasitoid cocoons were found in February 2012 in the original release tree as well as in several trees nearby where releases had not occurred for the previous 8 months Two further releases of C urabae were made in January 2012 the first in a Eucalyptus bosistoana plantation in Morningside near Port Whangarei Northland and the second onto a large Eucalyptus cinerea tree located in Matapihi Tauranga Bay of Plenty At both of these sites host U lugens larvae that had been attacked by C urabae females were released rather than adult parasitoids This method provided additional flexibility around timing of release and improved ease of transportation and handling

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Allen, GR. "The Phenologies of Cotesia-Urabae, Dolichogenidea-Eucalypti (Hymenoptera, Braconidae) and Their Host Uraba-Lugens (Lepidoptera, Noctuidae) in the Adelaide Region." Australian Journal of Zoology 38, no. 4 (1990): 347. http://dx.doi.org/10.1071/zo9900347.

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Анотація:

A field study was undertaken to determine the phenologies of the solitary larval endoparasitoids Cotesia urabae and Dolichogenidea eucalypti in relation to that of their bivoltine host Uraba lugens. C. urabae had two generations within both the summer and the winter generation of U. lugens, and D. eucalypti had two generations in the summer but only one generation in the winter. D. eucalypti parasitised a narrower range of host sizes in the field. Both parasitoids attacked recently hatched (typically 1st instar) or 'small hosts' at the beginning at each host generation. In summer D. eucalypti was the first to emerge from hosts, but both D. eucalypti and C. urabae, emerged from hosts which had modes of 0.85-1.05 mm in head capsule width and 0.9-1.5 mg in dry weight (mid hosts). In winter, C. urabae emerged from hosts which had modes of 1.15 mm in head capsule width and 2.7 mg in dry weight (large hosts). Both species in summer, and C. urabae in winter, then proceeded to parasitise hosts of around these sizes to commence second parasitoid generations. In its second generation in summer and its first generation in winter, D. eucalypti typically emerged after most unparasitised hosts had pupated. Both species of parasitoid overwintered within the larval stage of their host. Levels of parasitisation appeared to be low, and dropped between first and second generations within each host generation. It was concluded that C. urabae and D. eucalypti displayed continuity of generations and a high level of synchronisation with U. lugens in the Adelaide region.

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Avila, G., and L. A. Berndt. "Release of a new biological control agent Cotesia urabae against Uraba lugens in New Zealand." New Zealand Plant Protection 64 (January 8, 2011): 282. http://dx.doi.org/10.30843/nzpp.2011.64.5983.

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Анотація:

In July 2010 the Environmental Risk Management Authority New Zealand gave approval to Scion to release the parasitoid Cotesia urabae (Hymenoptera Braconidae) as a biological control agent for the gum leaf skeletonizer Uraba lugens (Lepidoptera Noctuidae) in New Zealand as part of a project supported by the Sustainable Farming Fund To date four releases of the biological control agent have been made three at the Auckland Domain and one at the Manukau Memorial Gardens Further releases will be made to ensure establishment Three C urabae cocoons were found 1 month after the first release suggesting initial establishment Monitoring is continuing to determine if the population persists It is predicted that the introduction of C urabae into New Zealand will (1) lead to a decrease in the existing population of U lugens (2) have no impacts on nontarget species and (3) provide socioeconomic benefits such as reducing the number of encounters between humans and caterpillars (and therefore decreasing the incidence of allergic responses) and reducing the substantial costs associated with maintaining the utility of eucalypts for wood and pulp production and the costs of protecting or replacing amenity trees

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Berndt, L. A., T. M. Withers, S. Mansfield, and R. J. B. Hoare. "Nontarget species selection for host range testing of Cotesia urabae." New Zealand Plant Protection 62 (August 1, 2009): 168–73. http://dx.doi.org/10.30843/nzpp.2009.62.4773.

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Анотація:

Classical biological control is being attempted for Uraba lugens (Lepidoptera Noctuidae Nolinae) an Australian eucalypt pest established in New Zealand The Australian solitary larval endoparasitoid Cotesia urabae (Hymenoptera Braconidae) is the most promising agent under investigation A nontarget species list was compiled for host range testing The endemic species Celama parvitis is the sole New Zealand representative of the Nolinae and was highest priority The next most closely related subfamily is the Arctiinae of which New Zealand has four endemic species (Metacrias huttoni M erichrysa M strategica and Nyctemera annulata) and one introduced biological control agent (Tyria jacobaeae) The merits of including other more distantly related members of the Noctuidae and unrelated Lepidoptera filling a similar niche are discussed

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Avila, G. A., T. M. Withers, and G. I. Holwell. "Retrospective host specificity testing of Cotesia urabae to assess the risk posed to the New Zealand nolid moth Celama parvitis." New Zealand Plant Protection 67 (January 8, 2014): 328. http://dx.doi.org/10.30843/nzpp.2014.67.5772.

Повний текст джерела

Анотація:

Additional retrospective testing of the gum leaf skeletoniser (Uraba lugens) biological control agent Cotesia urabae was conducted against the endemic moth Celama parvitis Although this native was included in host specificity testing before EPA approved the parasitoids release this work aimed to increase the sample size to better assess the potential risk posed The effect that different periods of host deprivation and prior oviposition experience had on the parasitoids readiness to attack was examined in a sequence of nochoice tests No parasitoids emerged from the 52 of larvae that survived to pupation thus confirming C parvitis as a nonhost Dissections of larvae that died during laboratory rearing revealed that 63 had contained a parasitoid but no C urabae parasitoid larvae developed beyond the second instar Significant differences were found in the attack times according to the parasitoids deprivation levels (age) and it was also observed that the duration until first attack significantly decreased after each nontarget presentation

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Gresham, B. A., T. M. Withers, G. A. Avila, and L. A. Berndt. "Novel release method proves successful the gum leaf skeletoniser parasitoid Cotesia urabae establishes in two new locations." New Zealand Plant Protection 67 (January 8, 2014): 328. http://dx.doi.org/10.30843/nzpp.2014.67.5773.

Повний текст джерела

Анотація:

The Australian braconid wasp Cotesia urabae was first released in New Zealand in 2011 as a biological control agent for the gum leaf skeletoniser Uraba lugens (Lepidoptera Nolidae) The larvae of this moth predominantly attack Eucalyptus spp (Class Symphyomyrtus) and since its predicted future geographic range is extensive there is concern it could become a serious pest of eucalypt plantations in New Zealand Initial releases of C urabae using adult parasitoids were made in Auckland at three separate sites between January and June 2011 Cotesia urabae established at each site and preliminary monitoring has revealed that the wasps have naturally dispersed to six other sites ranging up to 6 km from an initial release site In January 2012 C urabae were released in Whangarei and Tauranga trialling a novel method using parasitoidattacked host larvae rather than adult parasitoids This method proved to be successful with establishment now confirmed in both of these locations and also provided greater flexibility The two latest releases were made using the same method in Nelson (October 2013) and Napier (February 2014) but it is not yet known if the parasitoid has successfully established in these locations

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Berry, Jocelyn A., and Sarah Mansfield. "Hyperparasitoids of the gum leaf skeletoniser, Uraba lugens Walker (Lepidoptera: Nolidae), with implications for the selection of a biological control agent for Uraba lugens in New Zealand." Australian Journal of Entomology 45, no. 3 (August 2006): 215–18. http://dx.doi.org/10.1111/j.1440-6055.2006.00532.x.

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Більше джерел

Дисертації з теми "Uraba lugens"

Allen, Geoffrey Rowland. "Behaviour and ecology of the primary parasitoids Cotesia urabae and Dolichogenidia eucalypti (Hymenoptera: Braconidae) and their host Uraba lugens (Lepidoptera: Noctuidae)." Title page, contents and preface only, 1989. http://web4.library.adelaide.edu.au/theses/09PH/09pha425.pdf.

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Farr, Janet Dawn. "The performance of Uraba lugens Walker (Lepidoptera : nolidae) in relation to nitrogen and phenolics in its food." Thesis, 1985. http://hdl.handle.net/2440/20376.

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Farr, Janet Dawn. "The performance of `Uraba lugens` Walker (Lepidoptera : nolidae) in relation to nitrogen and phenolics in its food / by Janet Dawn Farr." 1985. http://hdl.handle.net/2440/20376.

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Анотація:

Bibliography: leaves 137-167
viii, 189 leaves, [31] leaves of plates : ill. (some col.) ; 30 cm.
Title page, contents and abstract only. The complete thesis in print form is available from the University Library.
Thesis (Ph.D.)--University of Adelaide, Dept. of Entomology, Waite Agricultural Research Institute, 1986

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