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Differentiation of some populations of Aedes aegypti (Diptera: Culicidae) in three areas of Lagos State, Nigeria, using wing morphometry

Published online by Cambridge University Press:  09 September 2016

Adenola F. Ayorinde*
Affiliation:
Department of Cell Biology and Genetics, University of Lagos, Akoka, Lagos State, Nigeria Department of Biological Sciences, Redeemers’ University, Ede, Osun State, Nigeria
Bola O. Oboh
Affiliation:
Department of Cell Biology and Genetics, University of Lagos, Akoka, Lagos State, Nigeria
Olubunmi A. Otubanjo
Affiliation:
Department of Zoology, University of Lagos, Akoka, Lagos State, Nigeria
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Abstract

Diversity amongst the different populations is one of the problems in the control of medically important mosquitoes. Wing morphometry was used to identify within-species variation amongst some populations of Aedes aegypti in three areas of Lagos State, Nigeria. Ten landmarks on the right wing of adult female Ae. aegypti mosquitoes were digitized using TPSdig software. Relative distances of the veins and interpoints were calculated as well as the Euclidean distances based on these relative distances. In three (50%) of the interpoints, the relative distances were significant (P<0.05) to both the Brown–Forsythe F ratio and Welch ANOVA. The highest Euclidean distance of 7.738 was between Ebute Metta 2 and Badagry; the lowest of 4.426 was between Ikorodu and Ebute Metta 2. The distance between Ebute Metta 1 and Ebute Metta 2 was 5.867, which is more than the distance between Ebute Metta 2 and Ikorodu. Three groups of Ae. aegypti were identified, and the differences in lengths and interpoints observed on the wing veins suggest a possible morphological divergence amongst populations.

Type
Research Paper
Copyright
Copyright © icipe 2016 

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