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STATUS OF AGENIASPIS FUSCICOLLIS (HYMENOPTERA: ENCRYTIDAE), AN INTRODUCED PARASITOID OF THE APPLE ERMINE MOTH (LEPIDOPTERA: YPONOMEUTIDAE)1

  • J.E. Cossentine (a1) and U. Kuhlmann (a2)

Extract

The apple ermine moth, Yponomeuta malinellus Zeller, is a univoltine pest species that defoliates apple, Malus domestics (Borkh) (Rosaceae), in the temperate region of the Palaearctic. First instars overwinter within a communal hibernaculum beneath the covering of the egg batch (Kock 1998). In spring, larvae emerge to initially mine apple leaves and subsequently feed externally within a communal tent (Menken et al. 1992). During heavy infestations, the communal tents may envelop the entire apple tree, resulting in total defoliation (Parker and Schmidt 1985). There have been several accidental introductions and subsequent eradications of the apple ermine moth in eastern North America (Hewitt 1917; Parker and Schmidt 1985) but, by 1989, the pest was found in the Fraser River Valley in British Columbia, in Whatcom county, Washington, and in northwestern Oregon (Antonelli 1991; Unruh et al. 1993).

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2 Author to whom all corresponding should be addressed (E-mail: CossentineJ@em.agr.ca).

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1

Contribution No. 2047 of the Pacific Agri-Food Research Centre (Summerland).

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References

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Affolter, F., Carl, K.P. 1986. The natural enemies of the apple ermine moth Yponomeuta malinellus in Europe: a literature review. Delémont, Switzerland: CAB International Institute of Biological Control
Antonelli, A.L. 1991. Apple ermine moth. Extension bulletin No. EB 1526, Cooperative Extension, College of Agriculture and Home Economics, Washington State University
Blackman, R.L. 1965. A review of the literature on Ageniaspis fuscicollis (Dalm.). Delémont, Switzerland: CAB International Institute of Biological Control
Hewitt, G. 1917. The discovery of European ermine moth (Yponomeuta) on nursery stock imported into Canada. Agricultural Gazette of Canada 4: 552–4
Junnikkala, E. 1960. Life history and insect enemies of Hyponomeuta malinellus Zell. (Lep. Hyponomeutidae) in Finland. Annales Zoologici Societatis Zoologicae-Botanicae Fennicae “Vanomo” 21: 344
Kock, B. 1998. Eischalen und hibernaculum der apfelgespinstmotte (Yponomeuta malinellus) und ihre bedeutungen fuer den schutz gegen parasitoids. M.Sc. thesis, Department of Ecology, University of Kiel, Germany
Kuhlmann, U., Carl, K.P., Mills, N.J. 1998 a. Quantifying the impact of insect predators and parasitoids on populations of the apple ermine moth Yponomeuta malinellus (Lepidoptera: Yponomeutidae) in Europe. Bulletin of Entomological Research 88: 165–75
Kuhlmann, U., Babendreier, D., Hoffmeister, T.S., Mills, N.J. 1998 b. Impact and oviposition behavior of Ageniaspis fuscicollis (Hymenoptera: Encrytidae), a polyembryonic parasitoid of the apple ermine moth, Yponomeuta malinellus (Lepidoptera: Yponomeutidae). Bulletin of Entomological Research 88: 617–25
Menken, S.B.J., Herrebout, W.M., Wiebes, J.T. 1992. Small ermine moths (Yponomeuta): their host relations and evolution. Annual Review of Entomology 37: 4166
Parker, D.J., Schmidt, A.C. 1985. Apple ermine moth, Yponomeuta malinellus. Report for Agriculture Agri-Food Canada, Plant Health Division
Sarazin, M.J. 19922000. Insect liberations in Canada. Electronic resource. Agriculture and Agri-Food Canada, Ottawa.
Smith, R. 1990. Biological control of the apple ermine moth in southwestern British Columbia. Report prepared for the British Columbia Ministry of Agriculture, Fisheries and Food and Agriculture and Agri-food Canada
Unruh, T.R., Congdon, B.D., Lagasa, E. 1993. Yponomeuta malinellus Zeller (Lepidoptera: Yponomeutidae), a new immigrant pest of apples in the northwest: phenology and distribution expansion, with notes on efficacy of natural enemies. Pan-Pacific Entomologist 69(1): 5770

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STATUS OF AGENIASPIS FUSCICOLLIS (HYMENOPTERA: ENCRYTIDAE), AN INTRODUCED PARASITOID OF THE APPLE ERMINE MOTH (LEPIDOPTERA: YPONOMEUTIDAE)1

  • J.E. Cossentine (a1) and U. Kuhlmann (a2)

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