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Temperature and Moisture Gradient Equipment

Published online by Cambridge University Press:  31 May 2012

W. M. Graham ,
A. K. Onyearu  and
F. L. Waterhouse
W. M. Graham
Affiliation:
University of St. Andrews, Department of Natural History, Queen's College, Dundee
A. K. Onyearu
Affiliation:
University of St. Andrews, Department of Natural History, Queen's College, Dundee
F. L. Waterhouse
Affiliation:
University of St. Andrews, Department of Natural History, Queen's College, Dundee
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Abstract

The construction of a temperature gradient area based upon a heat exchange grid is described. The main feature of the gradient apparatus is that it provides a flexible, yet temporally stable and evenly sloped gradient, which can be maintained in replicated troughs for many months with minimum attention. The control of the R.H. gradient in troughs containing a food medium is also discussed. Data relating to the life histories of Tribolium examined in the gradient is offered to exemplify the type of results obtainable.

Type
Articles
Information
The Canadian Entomologist , Volume 97 , Issue 8 , August 1965 , pp. 880 - 886
Copyright
Copyright © Entomological Society of Canada 1965

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References

Deal, J. 1941. The temperature preferendum of certain insects. J. Anim. Ecol. 10: 323–356.CrossRefGoogle Scholar
Gay, F. J. 1946. The effect of temperature on the moisture content-relative humidity equilibria of wheat. J. Coun. sci. industr. Res. Aust. 19: 187–189.Google Scholar
Graham, W. M. 1956. Temperature preference determinations and related investigations using Tribolium. D.I.C. Thesis; Imperial College of Science and Technology, London.Google Scholar
Graham, W. M. 1958. Temperature preference determinations using Tribolium. Anim. Behav. 6: 231–237.CrossRefGoogle Scholar
Henson, W. R. 1958. A temperature gradient apparatus for small insects. Canad. Ent. 90: 54–59.CrossRefGoogle Scholar
King, E. W., and Riley, R. C.. 1960. Effect of light on the temperature preferendum of larvae of the Mexican bean beetle Epilachna varivestis. Ann. ent. Soc. Amer. 53: 591–595.CrossRefGoogle Scholar
Uvarov, B. P. 1931. Insects and climate. Trans. R. ent. Soc. Lond. 79: 1–247.CrossRefGoogle Scholar
Zacharuk, R. Y. 1962. Seasonal behaviour of Ctenicera spp. and other wireworms (Coleoptera: Elateridae), in relation to temperature, moisture, food, and gravity. Canad. J. Zool. 40: 697–718.CrossRefGoogle Scholar