multivariate analyses of the morphological variation in five geographical populations of the pod borer, helicoverpa armigera (hã¼bner), was performed using 15 and 12 landmarks selected from the fore- and hindwings respectively. using their geometric morphometric characters (26 in the forewings and 20 in the hindwings), 287 and 277 images of fore- and hindwings were made respectively. analyses o...