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OVIPOSITION AND SURVIVAL OF THREE NEARCTIC EUPHORINE BRACONIDS IN CRUCIFER-INFESTING FLEA BEETLES (COLEOPTERA: CHRYSOMELIDAE)1

Published online by Cambridge University Press:  31 May 2012

H. G. Wylie
H. G. Wylie
Affiliation:
Research Station, Agriculture Canada, Winnipeg, Manitoba R3T 2M9
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Abstract

Females of Microctonus vittatae Mues., Microctonus punctulatae Loan and Wylie, and Townesilitus psylliodis Loan oviposited and survived in only some of the species of crucifer-infesting flea beetles that they encounter on rapeseed. M. vittatae oviposited readily in Phyllotreta striolata (F.), less often in Phyllotreta cruciferae (Goeze) and Phyllotreta pusilla Horn, and rarely in Psylliodes punctulata Melsh.; the progeny matured in P. striolata, P. cruciferae, and P. pusilla. M. punctulatae oviposited readily in P. punctulata and P. pusilla, occasionally in P. striolata, but never in P. cruciferae; the progeny matured only in P. punctulata and P. pusilla. Females of T. psylliodis oviposited readily in P. punctulata, rarely in P. pusilla and P. striolata, but never in P. cruciferae; parasite progeny matured only in P. punctulata.

Résumé

Des femelles de Microctonus vittatae Mues., Microctonus punctulatae Loan et Wylie et Townesilitus psylliodis Loan pondent et survivent dans quelques espèces seulement d'altises des crucifères qu'elles rencontrent sur le colza. M. vittatae pond volontiers dans Phyllotreta striolata (F.), moins souvent dans Phyllotreta cruciferae (Goeze) et Phyllotreta pusilla Horn, et rarement dans Psylliodes punctulata Melsh.; la descendance parvient à maturité dans P. striolata, P. cruciferae et P. pusilla. M. punctulatae pond volontiers dans P. punctulata et P. pusilla, occasionnellement dans P. striolata, mais jamais dans P. cruciferae; la descendance ne parvient à maturité que dans P. punctulata et P. pusilla. Des femelles de T. psylliodis pondent volontiers dans P. punctulata, rarement dans P. pusilla et P. striolata, mais jamais dans P. cruciferae; la descendance parasite n'atteint la maturité que dans P. punctulata.

Type
Articles
Information
The Canadian Entomologist , Volume 116 , Issue 1 , January 1984 , pp. 1 - 4
Copyright
Copyright © Entomological Society of Canada 1984

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