They cover the hindwings and are protective in function. These are dark stiff opaque and leathery. The hind wings are large, thin, membranous and transparent. They are kept folded below the tegmina and are used for flying.d leathery.
They cover the hindwings and are protective in function. These are dark stiff opaque and leathery.The hind wings are large, thin, membranous and transparent. They are kept folded below the tegmina and are used for flying.d leathery.