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A Temperature Gradient Apparatus for Small Insects

Published online by Cambridge University Press:  31 May 2012

W. R. Henson
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Abstract

An apparatus which provides a temperature gradient within a small enclosed space is described. Provision is made for control of absolute humidity within the apparatus so that the same temperature gradient may be used with a variety of humidity gradients. The system of temperature measurement and recording and the operating characteristics of the machine are described.

Type
Articles
Information
The Canadian Entomologist , Volume 90 , Issue 1 , January 1958 , pp. 54 - 59
Copyright
Copyright © Entomological Society of Canada 1958

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References

(1)Henson, W. R. 1957. Temperature preferences of Grylloblatta campodeiformis Walker Nature 174 (4560): 37. March, 1957.Google Scholar
(2)Wellington, W. G. 1949. The effects of temperature and moisture upon the behaviour of the spruce budworm, Choristoneura fumiferana Clemens (Lepidoptera: Tortricidae). I. The relative importance of graded temperatures and rates of evaporation in producing aggregations of larvae. Scientific Agriculture 29: 201–215. May, 1949.Google Scholar
(3)Wellington, W. G. 1949. The effects of temperature and moisture upon the behaviour of the spruce budworm, Choristoneura fumiferana Clemens (Lepidoptera: Tortricidae). II. The responses of larvae to gradients of evaporation. Scientific Agriculture 29: 216–229.Google Scholar