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Revision of the aureolus Group of the Genus Philodromus (Araneae: Thomisidae) in North America1

Published online by Cambridge University Press:  31 May 2012

C. D. Dondale
C. D. Dondale
Affiliation:
Research Station, Canada Department of Agriculture, Kentville, Nova Scotia
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Extract

Spiders of the genus Philodromus Walckenaer have the flattened body and laterigrade legs of all Thomisidae, or crab spiders, yet lack most of the specializations of the more typical genera in the family. The latter, which comprise the subfamily Thomisinae, are characterized by strong, heavy bodies, prominent eye tubercles, a marked disparity between the length of legs I and II as opposed to that of III and IV, rotund abdomens, and a slow gait (Gertsch, 1939). In Philodromus and throughout the Philodrominae we find a lithe, smooth body that is weakly spined and covered with soft, recumbent hair (Fig. 22). The legs are slender and nearly equal in lengh; These spiders typically lead an active, predatory life on surfaces and in crevices of woody plants. They are able to exploit this type of habitat largely because their legs are equipped with well-developed scopulae and claw tufts.

Type
Articles
Information
The Canadian Entomologist , Volume 93 , Issue 3 , March 1961 , pp. 199 - 222
Copyright
Copyright © Entomological Society of Canada 1961

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