Studies on four species of genus Hypolampurus hampson (Lepidoptera: Thyrididae) from western ghats, India

The communications deals with the studies on the morphotaxonomy of four species i.e., angulalis Moore, striatalis Swinhoe, langualis sp. nov. and neostriatalis sp. nov. belonging to genus Hypolampurus Hampson under family Thyrididae of order Lepidoptera. The species i.e., H. angulalis Moore is recorded for the first time from India. The female genitalia of species striatalis Swinhoe have been studied for the first time which is the type-species of the genus Hypolamprus Hampson. Beside this, the details on the morphology of the adults, male and female genitalia, nomenclature of the wing venation, distribution and materials examined for all the species have been discussed and illustrated in full details.Adichotomous key for their interspecific discrimination is also provided.