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The Caudal Appendage of Final-Instar Larvae of Some Porizontinae (Hymenoptera: Ichneumonidae)

Published online by Cambridge University Press:  31 May 2012

Thelma Finlayson
Thelma Finlayson
Affiliation:
Research Institute, Research Branch, Canada Department of Agriculture Belleville, Ontario
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Abstract

Presence of a caudal appendage or tail in the last larval instar of three genera of the Porizontinae (Hymenoptera: Ichneumonidae) is reported. The structure is described and illustrated and it is suggested that it may be responsible for the jumping of cocoons known to occur in some of the species considered and not known in species that lack the tail.

Type
Articles
Information
The Canadian Entomologist , Volume 96 , Issue 9 , September 1964 , pp. 1155 - 1158
Copyright
Copyright © Entomological Society of Canada 1964

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