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Morphological observations on sensory structures on the ovipositor and tarsi of the female and on the head capsule of the larva of the sorghum shootfly, Atherigona soccata Rondani

Published online by Cambridge University Press:  19 September 2011

K. Ogwaro  and
E. D. Kokwaro
K. Ogwaro
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
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Abstract

Trichoid, basiconic and campaniform sensilla have been observed on the ovipositor and tarsi of the sorghum shootfly, Atherigona seccata Rondani. The ovipositor of A. seccata comprises abdominal segments 6–9, with most of the trichoid sensilla located on the ninth segment. Two olfactory pegs each are located on the paired leaflets of the ninth segment. Sensilla on the tarsi include long and short basiconic sensilla and campaniform sensilla located near the anterior margin of the last tarsal segment.

The sensory organs on the head capsule of the larva were studied by light, scanning and transmission electron microscopes. Four types of sensory receptors were observed on the cephalic lobes. They consist of four knob-shaped sensilla, two styloconic sensilla, two campaniform sensilla, and eight basiconic sensilla.

Keywords

Atherigona seccatamorphologysensilla
Type
Research Article
Information
International Journal of Tropical Insect Science , Volume 2 , Special Issue 1-2: The Biology, Ecology and Control of the Sorghum Shootfly, Atherigona soccata Rondani , June 1981 , pp. 25 - 32
Copyright
Copyright © ICIPE 1981

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