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CARABID BEETLES (COLEOPTERA: CARABIDAE) FROM A BURNED SPRUCE FOREST (PICEA SPP.)

Published online by Cambridge University Press:  31 May 2012

N. J. Holliday
N. J. Holliday
Affiliation:
Department of Entomology, University of Manitoba, Winnipeg, ManitobaR3T 2N2
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Abstract

An intense forest fire destroyed a spruce (Picea spp.) stand in Agassiz Provincial Forest, Manitoba in May 1981. From 1 week following the fire, throughout the summer of 1981 and of 1982, carabid beetles were collected by pitfall trapping and standardized searches at weekly intervals. In all, 241 beetles of 24 species were collected. Agonum obsoletum Say and A. quadripunctatum De Geer were found; both species are known to be attracted to fires. A. quadripunctatum reproduced in the site in 1981 but there is no evidence that it did so in 1982. A. obsoletum was found in the study site only during the first 3 weeks after the fire. Evidence is presented to show that Harpalus laticeps LeConte is a characteristic species of forests after fire.

Résumé

Un feu de forêt intense a détruit un boisé d'épinette (Picea spp.) dans la forêt provinciale d'Agassiz au Manitoba en mai 1981. Commençant une semaine après le feu et au cours des étés 1981 et 1982, les carabes ont été collectionnés au piège-fosse et par des fouilles standardisées à intervalles d'une semaine. En tout, 241 carabes appartenant à 24 espèces ont été collectionnés. L'Agonum obsoletum et l'A. quadripunctatum ont été relevés, ces deux espèces étant connues pour être attirées par le feu. L'A. quadripunctatum s'est reproduit sur le site en 1981 mais on n'a pu trouver aucune évidence à ce sujet pour 1982. L'A. obsoletum n'a été trouvé sur le site d'étude qu'au cours des trois premières semaines ayant suivi le feu. Des faits sont présentés montrant que l'Harpalus laticeps LeConte est une espèce caractéristique des forêts après le feu.

Type
Articles
Information
The Canadian Entomologist , Volume 116 , Issue 7 , July 1984 , pp. 919 - 922
Copyright
Copyright © Entomological Society of Canada 1984

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