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Oviposition in Hyalomma anatolicum anatolicum (Koch, 1844) (Ixodoidea: Ixodidae)

Published online by Cambridge University Press:  06 April 2009

K. R. Snow  and
Don. R. Arthur
K. R. Snow
Affiliation:
Department of Zoology and Animal Biology, University of London King's College
Don. R. Arthur
Affiliation:
Department of Zoology and Animal Biology, University of London King's College
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Extract

For the tick Hyalomma anatolicum anatolicum, at constant temperature and humidity, the pattern of oviposition is constant, and consists of a peak period, usually after 2–3 days, followed by a gradual decline.

Oviposition proceeds more rapidly in constant darkness than in continuous light.

With increased temperature the oviposition period is decreased, but with increased humidity the period is extended.

The largest eggs are laid from 0 to 48 h after the peak of egg production, and no correlation has been observed between female size and egg size.

The number of eggs produced by a tick is directly proportional to its engorged weight, and since the engorged female weight is a direct reflexion of its unfed weight, the number of eggs laid is directly dependent on the size of the unfed female.

Guinea-pigs show partial immune response to adults of H. anatolicum anatolicum when the ticks are fed on them repeatedly. This minimizes the amount of nutrients imbibed and accordingly egg-laying potential is not realized.

The material on which this study was made was presented to us by Dr R. P. Chaudhuri, and we gratefully acknowledge his kindness.

Type
Research Article
Information
Parasitology , Volume 56 , Issue 3 , August 1966 , pp. 555 - 568
Copyright
Copyright © Cambridge University Press 1966

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References

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