dorsal view of a male common archduke butterfly lexias pardalis

antennae apical archduke asia asian aviary beautiful blue brush butterflies butterfly close club common detail detailed dimorphism dorsal east entomology footed greenish hindwing indomalayan insect lepidoptera lepidopterology lexias male nymphalid nymphalidae orange papilionoidea pardalis pattern purple region sexual singapore south southeast species specimen temperate tropical view zoo zoos