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Changes in the Composition of Adult Culex pipiens during Hibernation

Published online by Cambridge University Press:  06 April 2009

P. A. Buxton
P. A. Buxton
Affiliation:
Professor of Medical Entomology, University of London
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Extract

There are conspicuous differences in respect of hibernation among the mosquitoes; for certain species, such as Culex pipiens and Anopheles maculipennis, hibernate as adults, but others, for instance A. claviger (bifurcates), pass the winter as larvae. These differences have been the subject of many investigations and of much theoretical discussion; perusal of the literature suggests that we still lack a sufficient knowledge of the facts. It is known that an accumulation of fat in autumn is characteristic of those mosquitoes which hibernate as adults, as it is of several insects of other orders. But it seems that little is known of the quantity of fat stored, or of the rate at which it disappears as winter passes. It is my present purpose to set out certain observations on the composition of adult female Culex pipiens at different times during the period of hibernation. Later it may be possible to make an experimental study of the causes of hibernation and to discuss the relevant literature. But at the moment let it suffice to refer to the following papers, from which the reader may inform himself of the present state of knowledge and theory: de Boissezon (1930), Roubaud (1932), and Shlenova (1933). The paper by Hecht (1933) contains a valuable summary of the subject.

Type
Research Article
Information
Parasitology , Volume 27 , Issue 2 , May 1935 , pp. 263 - 265
Copyright
Copyright © Cambridge University Press 1935

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References

REFERENCES

de Boissezon, P. (1930). Contribution à l'étude de la biologie et de l'histophysiologie de Culex pipiers L. Arch. Zool. exp. gen. 70 281–431.Google Scholar
Hecht, O. (1933). Die Blutnahrung, die Erzeugung der Eier und die Überwinterung der Stechmückenweibchen. Arch. Schiffs-u. Tropenhyg. 37, Beiheft 3, 1–87.Google Scholar
Marshall, J. F. and Staley, J. (1932). On the distribution of air in the oesophageal diverticula and intestine of mosquitoes. Its relation to emergence, feeding and hypopygial rotation. Parasitology, 24 368–81.CrossRefGoogle Scholar
Roubaud, E. (1932). Des phénomènes d'histolyse larvaire postnymphale et d'alimentation imaginale autotrophe chez le moustique commun, Culex pipiens. C.R. Acad. Sci., Paris, 194 389–91.Google Scholar
Shlenova, M. F. (1933). Die herbstliche Veränderung des physiologischen Zustandes von Anopheles maculipennis in Karatal. (In Russian with German summary.) Med. Parasitol., Moscow, 2 389–97.Google Scholar