International Journal of Tropical Insect Science

Research Articles

Chemoreception of adult stem-borers: tarsal and ovipositor sensilla on Chilo partellus and Eldana saccharina

S. M. Waladdea1

a1 International Centre of Insect Physiology and Ecology (ICIPE), P.O. Box 30772, Nairobi, Kenya

Abstract

Preliminary electrophysiological tests on certain tarsal and ovipositor sensilla of stem-borers, Chilo partellus and Eldana saccharina, show that the sensilla are innervated by mechano- and contact chemoreceptor cells. Tarsal receptors are sensitive to sucrose, whereas the ovipositor sensilla are not and responses of the ovipositor mechanoreceptor units can be related to the oviposition behaviour of the moths.

(Received July 27 1982)

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