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

  • R. C. Saxena (a1) and L. M. Rueda (a2)

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.

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Keywords

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

  • R. C. Saxena (a1) and L. M. Rueda (a2)

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