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PALAEODIPTERON WALKERI (DIPTERA: NYMPHOMYIIDAE) IN NORTHERN QUEBEC

Published online by Cambridge University Press:  31 May 2012

C. Back  and
D.M. Wood
C. Back
Affiliation:
Département de Chimie-Biologie, Université du Québec, Trois-Rivières, Québec G9A 5H7
D.M. Wood
Affiliation:
Biosystematics Research Institute, Agriculture Canada, Ottawa K1A 0C6
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Abstract

Palaeodipteron walkeri Ide (Diptera: Nymphomyiidae) is recorded from watercourses of two northern Quebec localities. The known distribution of the species is thus extended to 54°N, in the subarctic zone. Collections were made in a wide variety of habitats. Nearly 200 adults and many larvae were captured; emergence rate of this supposedly uncommon insect reached 98 adults/m2/day. Habitats and sampling methods are described, and larval locomotion, phenology, distribution, and abundance are discussed.

Résumé

Au cours de l’été 1977, près de deux cents adultes et plusieurs larves de Palaeodipteron walkeri Ide (Diptera : Nymphomyiidae) furent capturés dans des cours d’eau de deux localités du Québec subarctique. Ces mentions entraînent une extension d’aire appréciable pour cet insecte réputé rare. On a observé des taux d’émergence atteignant 98 adultes/m2/jour. La locomotion des larves, la phénologie, l’abondance et la distribution sont discutées.

Type
Articles
Information
The Canadian Entomologist , Volume 111 , Issue 11 , November 1979 , pp. 1287 - 1291
Copyright
Copyright © Entomological Society of Canada 1979

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References

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