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Note : Specialized wing scales in the male of the South African moth Leto venus (Cramer, 1780) (Lepidoptera: Hepialidae)
Abstract
The presence of erects rows of elongate rod-like scales on the ventral wing surface and hindwing dorsal surface of Leto venus is illustrated and described. The scales lack basal swellings that are indicative of pheromone secretion. The scales may be involved with pheromone dissemination, function in some other manner, or have no discernible function at all in the sense of an environmental interaction that directly affects survival. The form and arrangement of these scales in L. venus is compared with the specialized elongate wing scales of Puermytrans chiliensis (Chile) and Phassodes vitiensis (Fiji).