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Species of Telenomus (Hymenoptera: Scelionidae) associated with the hemlock looper (Lepidoptera: Geometridae) in Canada

Published online by Cambridge University Press:  02 April 2012

Georges Pelletier  and
Céline Piché
Georges Pelletier*
Affiliation:
Natural Resources Canada, Canadian Forest Service, Laurentian Forestry Centre, PO Box 3800, Sainte-Foy, Quebec, Canada G1V 4C7
Céline Piché
Affiliation:
Ministère des Ressources naturelles du Québec, Direction de la recherche forestière, Complexe scientifique, Quebec, Quebec, Canada G1P 3W8
*
1Corresponding author (e-mail: Georges.Pelletier@nrcan.gc.ca).
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Abstract

Three species of Telenomus Haliday are egg parasitoids of the hemlock looper, Lambdina fiscellaria (Guenée), in Canada. Telenomus coloradensis Crawford and Telenomus droozi Muesebeck are redescribed and Telenomus flavotibiaesp.nov. is described and illustrated from material collected in Quebec. Telenomus coloradensis was found to be the predominant egg parasite, followed by T. droozi. Telenomus flavotibiae was found to be an uncommon parasite of hemlock looper eggs. All three species are recorded from Newfoundland to British Columbia. Keys to species of Telenomus associated with the hemlock looper, including two closely related species previously confused in the literature, are also given.

Résumé

Trois espèces de Telenomus Haliday parasitent les œufs de l'arpenteuse de la pruche, Lambdina fiscellaria (Guenée), au Canada. Telenomus coloradensis Crawford et Telenomus droozi Muesebeck sont redécrites et Telenomus flavotibiaesp.nov. est décrite et illustrée à partir de matériel récolté au Québec. Telenomus coloradensis semble être l'espèce prédominante suivie par T. droozi. Telenomus flavotibiae semble relativement peu commune sur les œufs de l'arpenteuse de la pruche, comparativement aux deux espèces précédentes. Ces trois espèces ont été récoltées au Canada de Terre-Neuve à la Colombie-Britannique. Une clé d'identification des espèces de Telenomus associées à l'arpenteuse de la pruche, incluant deux espèces voisines autrefois confondues dans la littérature, est également donnée.

Type
Articles
Information
The Canadian Entomologist , Volume 135 , Issue 1 , February 2003 , pp. 23 - 39
Copyright
Copyright © Entomological Society of Canada 2003

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