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Morphological variations among three biotypes of the brown planthopper Nilaparvata lugens in the Philippines

Published online by Cambridge University Press:  19 September 2011

R. C. Saxena  and
L. M. Rueda
R. C. Saxena
Affiliation:
International Centre of Insect Physiology and Ecology (ICIPE), P.O. Box 30772, Nairobi, Kenya
L. M. Rueda
Affiliation:
University of the Philippines at Los Baños College, Laguna, The Philippines
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Abstract

Nilaparvata lugens (Stål) biotype 1, 2 and 3 populations maintained as stock cultures for several years showed distinct morphological segregation based on multiple discriminant analysis using Wilk's Lambda method. Morphological characters of the rostrum, legs and antennae of both brachypterous and macropterous males and females provided a significant degree of certainty in classifying the three biotypes. The predicted biotype composition of the brown planthopper populations formed separate clusters.

Keywords

Biotypesbrown planthoppermorphological variationNilaparvata lugens
Type
Research Articles
Information
International Journal of Tropical Insect Science , Volume 3 , Issue 2-3 , September 1982 , pp. 193 - 210
Copyright
Copyright © ICIPE 1982

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