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VOL. 6, ISSUE 1 (2021)
Effect of xenobiotics on adult banana pseudo stem weevil odoiporus longicollis oliv. (Coleoptera: Curculionidae), using landmark based geometric morphometric analysis
Authors
Aiswarya D, Y Shibu Vardhanan, E Pushpalatha
Abstract
The effects of xenobiotic on the adult banana pseudo stem weevil were investigated using the geometric morphometric method. The study examined the symmetry and compared wing patterns of Odoiporus longicollis collected from two selected sites such as pesticide treated Vellalassery area and pesticide untreated Chathamangalam area in Calicut District, Kerala. In this study total 18 landmarks were identified and marked on the hind wing. Procrustes superimposition analysis of geometric morphometric is performed where, only the shape information is considered. The cumulative percentage of variation of first three principal components was 62.163%. The Canonical Variate Analysis (CVA) results showed that the different groups of male and female insect exhibit variation and asymmetry in hind wing, as the Maha lanobis and Pro crustes distances for each group are significantly different (p<.0001). Based on the PCA and CVA studies it is very clear that there exists great variation in hind wing size and shape among and between the control and contaminated groups.
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Pages:93-103
How to cite this article:
Aiswarya D, Y Shibu Vardhanan, E Pushpalatha "Effect of xenobiotics on adult banana pseudo stem weevil odoiporus longicollis oliv. (Coleoptera: Curculionidae), using landmark based geometric morphometric analysis". International Journal of Entomology Research, Vol 6, Issue 1, 2021, Pages 93-103
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