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HOSTS OF BANCHUS FLAVESCENS (HYMENOPTERA: ICHNEUMONIDAE) AND ATHRYCIA CINEREA (DIPTERA: TACHINIDAE) IN MANITOBA1

Published online by Cambridge University Press:  31 May 2012

H.G. Wylie  and
G.L. Ayre
H.G. Wylie
Affiliation:
Research Station, Agriculture Canada, Winnipeg, Manitoba R3T 2M9
G.L. Ayre
Affiliation:
Research Station, Agriculture Canada, Winnipeg, Manitoba R3T 2M9
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Extract

Banchus flavescens Cress. and Athrycia cinerea (Coq.) were reared each year (1972–1975) from larvae of bertha army worm, Mamestra configurata Walk. (Lepidoptera: Noctuidae), collected during an outbreak of this species on rapeseed in Manitoba. Neither parasite was reared from other Lepidoptera collected at that time from rapeseed; two separate attempts to propagate the parasites on native Lepidoptera other than M. configurata were unsuccessful (Wylie and Bucher 1977; Ewen and Arthur 1976). Since 1975 M. configurata has been rare in Manitoba. In 1976 both B. flavescens and A. cinerea were reared from bertha armyworm larvae from temporary artificial populations on rapeseed at Glenlea, south of Winnipeg. The presence of the two parasites in this locality, where M. configurata was not found during the outbreak, suggested that both B. flavescens and A. cinerea parasitize other lepidopterous species in Manitoba, especially when bertha armyworms are not present.

Type
Articles
Information
The Canadian Entomologist , Volume 111 , Issue 6 , June 1979 , pp. 747 - 748
Copyright
Copyright © Entomological Society of Canada 1979

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References

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