Morphometric analysis for identification of the Bactrocera dorsalis complex by using wing image analysis
1997
Suwannee Adsavakulchai | Visut Baimai (Mahidol Univ., Bangkok (Thailand). Faculty of Science. Dept. of Biology)
Morphometric analysis of Bactrocera dorsalis complex is used for separating sibling species by using wing image analysis. Two species of the Bactrocera dorsalis complex (B. dorsalis and B.verbascifoliae) and Bactrocera tau. This technique involves digitizing and measuring the wing venation including the whole wing area and the area of each cell and the length of whole wing perimeter. The data from 90 specimens (30 samples from each species) are analysed by statistical package (SPSS for window). The discriminant analysis in stepwise can be successfully separated these 3 species (with 97.85 percent) when compared with the conventional classification method. Therefore, this technique can be applied to other groups of fruit flies because it provides a better system and more accurate than the conventional method of classification.
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