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REPRODUCTIVE ISOLATION IN ARCTIC SPECIES OF GYNAEPHORA HÜBNER (LEPIDOPTERA: LYMANTRIIDAE)

Published online by Cambridge University Press:  31 May 2012

Wm. Dean Morewood
Wm. Dean Morewood
Affiliation:
Department of Biology, University of Victoria, P.O. Box 3020, Victoria, British Columbia, Canada V8W 3N5
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Extract

The genus Gynaephora Hübner (Lepidoptera: Lymantriidae) is represented in North America by two closely related species, Gynaephora groenlandica (Wocke) and Gynaephora rossii (Curtis), whose geographic distributions overlap broadly across the Canadian arctic archipelago (Ferguson 1978; Møllgaard and Morewood 1996). Like other lymantriid moths, females of these species fly little, if at all, whereas males are strong fliers and apparently rely on pheromones to locate mates. Cross-attraction has been observed but there is no confirmed evidence that the two species interbreed. This report describes experiments designed to document reproductive isolation of G. groenlandica and G. rossii at Alexandra Fiord, Ellesmere Island (78°53′N, 75°55′W).

Type
Articles
Information
The Canadian Entomologist , Volume 130 , Issue 4 , August 1998 , pp. 545 - 546
Copyright
Copyright © Entomological Society of Canada 1998

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