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Venation pattern and shape variation in wing of Antheraea assamensis (Lepidoptera: Saturniidae) of Assam, India

Published online by Cambridge University Press:  01 June 2009

Ramesh Nath  and
Dipali Devi
Ramesh Nath*
Affiliation:
Department of Zoology, Dhing College, Nagaon782123, Assam, India
Dipali Devi
Affiliation:
Seri Biotech Unit, Department of Life Sciences, Institute of Advanced Study in Science and Technology, Vigyan Path, Paschim Boragaon, Guwahati781035, Assam, India
*
*E-mail: [email protected]
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Abstract

Antheraea assamensis (Helfer, 1837) is a sericigenous insect with distinct coloration, namely green, blue, orange and yellow in their larval stages and these are multivoltine in culture. However, wild morphs with diapause are found in dense forests. In this study, the wing venation and its variation in A. assamensis were analysed using traditional as well as landmark-based morphometric methods. The venation patterns are reviewed and significant changes in veins recorded. The samples were analysed using geometric morphometric methods and other conventional statistical methods. Landmark-based data were measured among selected veins and the centroid sizes, procrustes to tangent distance of different veins were analysed. Results show significant differences in some of the veins among the intraspecies of A. assamensis. The results suggest that both visual comparison as well as a quantitative approach in A. assamensis may lead to unsound taxonomic conclusions at intraspecies level.

Keywords

genetic traitsintraspecific variationlandmarkmorphometric analysiswing venation
Type
Research Paper
Information
International Journal of Tropical Insect Science , Volume 29 , Issue 2 , June 2009 , pp. 70 - 78
Copyright
Copyright © ICIPE 2009

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