THE ESTABLISHMENT OF LOPHYROPLECTUS LUTEATOR (HYMENOPTERA: ICHNEUMONIDAE) ON NEODIPRION SERTIFER (HYMENOPTERA: DIPRIONIDAE) IN ONTARIO

1 October 1968

journal article
Published by Cambridge University Press (CUP) in The Canadian Entomologist

Vol. 100 (10) , 1095-1099
https://doi.org/10.4039/ent1001095-10

Abstract

Lophyroplectus luteator (Thunb.), a European ichneumonid, was liberated in three Neodiprion sertifer-infested plantations in southern Ontario. Following one introduction in 1962, the parasite has survived 4 years and has spread at least 1.4 mites. Six per cent of the hosts collected within the plantation in 1966 produced adult parasites. Another smaller introduction in 1962 was unsuccessful. Following the third introduction, made in 1964, the parasite has survived 2 years and the attack level is now nearly 9 per cent.

Keywords

LOPHYROPLECTUS LUTEATOR
HYMENOPTERA
NEODIPRION SERTIFER
SURVIVED
ICHNEUMONIDAE
DIPRIONIDAE

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