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Taxonomy of Cocoons and Puparia, and their Contents, of Canadian Parasites of Some Native Diprionidae (Hymenoptera)

Published online by Cambridge University Press:  31 May 2012

Thelma Finlayson
Affiliation:
Entomology Research Institute for Biological Control, Research Branch Canada Department of Agriculture, Belleville, Ontario

Abstract

Parasites of the sawflies Neodiprion abbotii (Leach), N. abietis (Harr.), N. lecontei (Fitch), N. nanulus nanulus Schedl, N. pinetum (Nort.), N. pratti banksianae Roh., N. swainei Midd., and the N. virginiana Roh. complex are separated by using characters of the parasite remains in the host cocoons from which the parasites emerged. Characteristics of the cast skin of the last larval instar of 11 species are described and illustrated in this paper; the remaining 29 species were described and illustrated in earlier papers (Finlayson, 1960a, 1960b, 1962). Keys are given to separate the species of the genera Exenterus and Lamachus that attack the above hosts, using characters of the cast skin of the last larval instar.

Type
Articles
Copyright
Copyright © Entomological Society of Canada 1963

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