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Effects of pitfall trap preservative on collections of carabid beetles (Coleoptera: Carabidae)

Great Lakes Entomologist

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Abstract

Effects of six pitfall trap preservatives (5% acetic acid solution, distilled water, 70% ethanol, 50% ethylene glycol solution, 50% propylene glycol solution, and 10% saline solution) on collections of carabid beetles (Coleoptera: Carabidae) were studied in a west-central Illinois deciduous forest from May to October 2005. A total of 819 carabids, representing 33 species and 19 genera, were collected. Saline produced significantly fewer captures than did acetic acid, ethanol, ethylene glycol, and propylene glycol, while distilled water produced significantly fewer captures than did acetic acid. Significant associations between numbers of captures and treatment were seen in four species: Amphasia interstitialis (Say), Calathus opaculus LeConte, Chlaenius nemoralis Say, and Cyclotrachelus sodalis (LeConte). Results of this study suggest that type of preservative used can have substantial effects on abundance and species composition of carabids collected in pitfall traps.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Effects of pitfall trap preservative on collections of carabid beetles (Coleoptera: Carabidae)
Series title:
Great Lakes Entomologist
Volume
40
Issue:
3-4
Year Published:
2007
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Great Lakes Entomologist
First page:
154
Last page:
165