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A cold receptor on the tick, Rhipicephalus appendiculatus: Electrophysiological and ultrastructural observations

Published online by Cambridge University Press:  19 September 2011

S. M. Waladde ,
E. D. Kokwaro  and
M. Chimtawi
S. M. Waladde
Affiliation:
International Centre of Insect Physiology and Ecology, P.O. Box 30772, Nairobi, Kenya
E. D. Kokwaro
Affiliation:
International Centre of Insect Physiology and Ecology, P.O. Box 30772, Nairobi, Kenya
M. Chimtawi
Affiliation:
International Centre of Insect Physiology and Ecology, P.O. Box 30772, Nairobi, Kenya
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Abstract

A sensillum trichodeum on tarsus I of Rhipicephalus appendiculatus displays a tonic impulse frequency at constant temperature but shows a phasic-tonic increased activity when temperature is lowered. Rising temperature has an inhibitory effect. Ultrastructural details show that it bears resemblance to a double-walled sensillum with spoke canals, and has dendrites of seven receptor cells. One of the cells responds to temperature changes. The function of the others is unknown.

Keywords

Tick sensillaRhipicephalus appendiculatusthermoreceptioncold receptor
Type
Research Article
Information
International Journal of Tropical Insect Science , Volume 1 , Issue 2 , June 1981 , pp. 191 - 196
Copyright
Copyright © ICIPE 1981

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References

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