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THE DISPERSAL OF THE INTRODUCED PARASITE LOPHYROPLECTUS LUTEATOR (HYMENOPTERA: ICHNEUMONIDAE) FOLLOWING ITS RELEASE AGAINST NEODIPRION SERTIFER (HYMENOPTERA: DIPRIONIDAE) IN ONTARIO

Published online by Cambridge University Press:  31 May 2012

K. J. Griffiths
K. J. Griffiths
Affiliation:
Great Lakes Forest Research Centre, Canadian Forestry Service, Sault Ste. Marie, Ontario
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Abstract

Lophyroplectus luteator (Thunb.), a European ichneumonid, has been established as a parasite of Neodiprion sertifer (Geoff.) from a release made in 1962, and has dispersed approximately 12 miles (19.3 km) in the 7 years following introduction. A second, smaller release in the same year failed. In a third release, made in 1964, recoveries were made every year until sampling was stopped in 1971, but dispersal has only been approximately 2 miles (3.2 km).

Résumé

Lophyroplectus luteator (Thunb.), un Ichneumonidé européen, fut introduit dans un certain secteur du sud-ouest de l’Ontario en 1962 comme parasite de Neodiprion sertifer (Geoff.) et se répandit sur une distance de 12 milles (19.3 km) durant les sept années subséquentes. Une deuxième introduction faite la même année, non loin de là, ne réussit pas. Une troisième, effectuée en 1964 dans un troisième secteur, permit au parasite de se répandre sur seulement 2 milles (3.2 km) jusqu’en 1971, année où cessèrent les relevés dans ce secteur.

Type
Articles
Information
The Canadian Entomologist , Volume 105 , Issue 6 , June 1973 , pp. 833 - 836
Copyright
Copyright © Entomological Society of Canada 1973

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References

Griffiths, K. J. and Lyons, L. A.. 1968. The establishment of Lophyroplectus luteator (Hymenoptera: Ichneumonidae) on Neodiprion sertifer (Hymenoptera: Diprionidae) in Ontario. Can. Ent. 100: 1095–1099.CrossRefGoogle Scholar
Pschorn-Walcher, H. 1965. The ecology of Neodiprion sertifer (Geoff.) (Hymenoptera: Diprionidae) and a review of its parasite complex in Europe. Tech. Bull. Commonw. Inst. biol. Control, No. 5. pp. 33–97.Google Scholar