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HILLTOP AGGREGATION SITES AND BEHAVIOR OF MALE CEPHENEMYIA TROMPE (DIPTERA: OESTRIDAE)

Published online by Cambridge University Press:  31 May 2012

C.M. Downes ,
S.M. Smith ,
J.B. Theberge  and
H.J. Dewar
C.M. Downes
Affiliation:
Department of Biology, University of Waterloo, Waterloo, Ontario N2L 3G1
S.M. Smith
Affiliation:
Department of Biology, University of Waterloo, Waterloo, Ontario N2L 3G1
J.B. Theberge
Affiliation:
Department of Biology, University of Waterloo, Waterloo, Ontario N2L 3G1
H.J. Dewar
Affiliation:
Department of Biology, University of Waterloo, Waterloo, Ontario N2L 3G1
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Abstract

Four aggregation sites for male Cephenemyia trompe Modeer were studied in the Kluane Game Sanctuary, southwest Yukon. All sites were well-defined topographical peaks at considerable distances (usually greater than 1 km) from one another. Males rested on the rocks and vegetation and individuals made frequent flights to investigate passing insects, presumably in search of a female. Male flies were active at the sites on element days; activity was a function of both temperature and light intensity. Flies remained at a particular site at least throughout the day but did not defend individual territories.

Résumé

Quatre sites d'agrégation pour l'accouplement de Cephenemyia trompe Modeer ont été étudiés dans le Sanctuaire de Chasse Kluane dans le sud-ouest de Yukon. Tous les sites étaient des sommets topographiques bien définis, qui étaient séparés l'un de l'autre par plus que 1 km (en général). Les mâles se reposaient sur les roches et la végétation et des individus parmi eux faisaient des vols fréquents pour examiner des insectes passagers; ils étaient sans doute à la recherche de femelles. Les mâles étaient actifs aux sites durant des jours cléments; l'activité étaient en fonction de la température et de l'intensité lumineuse. Les adultes restaient au même site au moins durant le jour, mais ils ne défendaient pas de territoires individuels.

Type
Articles
Information
The Canadian Entomologist , Volume 117 , Issue 3 , March 1985 , pp. 321 - 326
Copyright
Copyright © Entomological Society of Canada 1985

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