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Temperature, Contact Rates, and Interindividual Distance in Whirligig Beetles (Coleoptera: Gyrinidae)

Kevina Vulinec and Steven A. Kolmes
Journal of the New York Entomological Society
Vol. 95, No. 4 (Oct., 1987), pp. 481-486
Stable URL: http://www.jstor.org/stable/25009635
Page Count: 6
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
Temperature, Contact Rates, and Interindividual Distance in Whirligig Beetles (Coleoptera: Gyrinidae)
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Abstract

Contract rates between individual stream-dwelling gyrinids increased with increasing temperature, while those for pond-dwelling gyrinids remained fairly constant. In aggregated pond beetles, interindividual distance increased with increasing temperature up to 21°C, and then declined. These observations may be explained by the different constraints of the two habitats, and the function of whirligig beetle aggregations.

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