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Comparative ultrastructure of the trifoliate organ of Atherigona Rondani (Diptera:Muscidae)

Published online by Cambridge University Press:  19 September 2011

J. R. Clearwater ,
F. Thiel  and
E. D. Kokwaro
J. R. Clearwater
Affiliation:
DSIR, Mt Albert Research Centre, Auckland, New Zealand
F. Thiel
Affiliation:
Technical and Physical Engineering Research Service, Wageningen, The Netherlands
E. D. Kokwaro
Affiliation:
Electron Microscopy Laboratory, ICIPE, Nairobi, Kenya
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Abstract

The morphology and function of the trifoliate organ of five species are studied. Two examples are given where the ultrastructure of this organ assists the interpretation of speciation. The movement of the trifoliate organ during the courtship of Atherigona laevigata and its position during copulation is briefly described. A simple (A. seccata) and a complex (A. conigera) organ are described in detail, with emphasis on structure and function of the sensilla, and surface microsculpture. The A. hancocki-group organs are described and possible functions are suggested for these unusual structures. A distinct population is separated from the A. lineata species complex. A group of three species A. steeleae, A. secrecauda and A. matilei are confirmed to have a close, natural relationship.

Keywords

Atherigonatrifoliate organ
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. 11 - 23
Copyright
Copyright © ICIPE 1981

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References

REFERENCES

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