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The Influence of Temperature and Humidity on the Pupation of Xenopsylla cheopis

Published online by Cambridge University Press:  10 July 2009

Kenneth Mellanby
Kenneth Mellanby
Affiliation:
Department of Entomology, London School of Hygiene & Tropical Medicine.
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Extract

1. The conditions of temperature and humidity under which Xenopsylla cheopis is able to complete its metamorphosis are described.

2. The larvae and pre-pupae are easily killed by drying, but the pupae are not. The cocoon does not protect the larva from drying.

3. Development is much quicker at high than at low temperatures.

4. The rate of loss of water from the larva appears to be proportional to the saturation deficiency of the air, at any rate at 18°C., 22°C. and 29°C.—when the time which elapses between spinning the cocoon and the formation of the pupa is taken into account.

The writer is indebted to Dr. P. A. Buxton for reading and criticising the manuscript.

Type
Original Articles
Information
Bulletin of Entomological Research , Volume 24 , Issue 2 , July 1933 , pp. 197 - 202
Copyright
Copyright © Cambridge University Press 1933

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References

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