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SOLAR RADIATION REFLECTIVITY OF CICINDELA REPANDA AND AGONUM DECENTIS (COLEOPTERA: CARABIDAE)

Published online by Cambridge University Press:  31 May 2012

Christopher Van Natto  and
Richard Freitag
Christopher Van Natto
Affiliation:
Department of Biology, Lakehead University, Thunder Bay, Ontario, Canada P7B 5E1
Richard Freitag
Affiliation:
Department of Biology, Lakehead University, Thunder Bay, Ontario, Canada P7B 5E1
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Abstract

Reflectivity of solar radiation was found to be greater for the diurnal tiger beetle Cicindela repanda Déjean than for the nocturnal carabid beetle Agonum decentis Say. Elytra of both species reflected some ultraviolet radiation. The absolute intensity of reflections was not determined and it is not known whether amounts reflected were sufficient to imply any function of body coloration of C. repanda.

Résumé

On a trouvé que la réflectance du rayonnement solaire était plus grande chez la cicindelle diurne Cicindella repanda Déjean que chez le carabe nocturne Agonum decentis Say. Chez ces deux espèces, les élytres reflètent l’ultraviolet. On n’a pas déterminé les intensités absolues de réflexion, et on ne sait pas si l’ampleur de la réflexion est suffisante pour permettre à la coloration du corps de jouer un rôle quelconque chez C. repanda.

Type
Articles
Information
The Canadian Entomologist , Volume 118 , Issue 2 , February 1986 , pp. 89 - 95
Copyright
Copyright © Entomological Society of Canada 1986

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