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THERMOREGULATION IN THREE RANGELAND GRASSHOPPER SPECIES

Published online by Cambridge University Press:  31 May 2012

William P. Kemp
William P. Kemp
Affiliation:
Rangeland Insect Laboratory, Agricultural Research Service, U.S. Department of Agriculture, Bozeman, Montana, USA 59717–0001
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Abstract

A study was conducted to quantify the relationship between ambient air temperatures and adult internal body temperatures of three rangeland grasshoppers near Three Forks, MT. Results show a strong non-linear relationship between air and body temperatures over the range of temperatures normally encountered during the adult stage (approximately 2–42°C). Observations and historical data indicate the considerable influence of behavioral modification that results in grasshoppers attempting to maintain an optimal temperature range that minimizes development time. Results should be of interest to insect ecologists and those studying grasshopper biology and population dynamics.

Résumé

On a effectué une étude destinée à quantifier la relation entre les températures de l’air ambiant et les températures corporelles internes de trois espèces de criquets dans des pâturages situés près de Three Forks, Montana. Les résultats révèlent une relation non linéaire entre les températures de l’air et corporelles, à l’intérieur de l’écart des températures normales prévalant au stade adulte (2–42°C), Des observations et des données historiques révèlent une influence marquée de certaines modifications comportementales qui ont pour conséquence le maintien d’une température corporelle optimale pour minimiser le développement. Ces résultats devraient intéresser les écologistes des insectes et les spécialistes de la biologie et de la dynamique des populations de criquets.

Type
Articles
Information
The Canadian Entomologist , Volume 118 , Issue 4 , April 1986 , pp. 335 - 343
Copyright
Copyright © Entomological Society of Canada 1986

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