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

Published online by Cambridge University Press:  31 May 2012

J.E. Cossentine  and
U. Kuhlmann
J.E. Cossentine*
Affiliation:
Pacific Agri-Food Research Centre, Agriculture and Agri-Food Canada, Summerland, British Columbia, Canada V0H 1Z0
U. Kuhlmann
Affiliation:
CAB1 Bioscience Centre, 1 rue des Grillons, CH-2800 Delémont, Switzerland
*
2 Author to whom all corresponding should be addressed (E-mail: CossentineJ@em.agr.ca).
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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).

Type
Articles
Information
The Canadian Entomologist , Volume 132 , Issue 5 , October 2000 , pp. 685 - 689
Copyright
Copyright © Entomological Society of Canada 2000

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Footnotes

1

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

References

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