Oncocera semirubella (Scopoli, 1763)

Image (Fig. 2f): The larvae, sometimes gregariously, live in a dense web. Wingspan of adults is 21mm. The antennae are filiform. The forewings are pinky-red and yellow while the rear wings are light brownish. The costal edge is usually brownish or whitish in color.

Tympanal organ (Figs. 3f, 4f): Bulla tympani which resembles a pouch is closed and concave. Tympanum and conjunktivum are on the same plane and the paraspinal line separating them has a thorny structure. There is a consecutive thorny rugae odontinae structure between the tympanum and fornix tympani. Fornix tympani is thin. Pons tympani is shaped like two attached noodles. The tergo-sternal sclerite is long and curvy, and the processus spiniforme is also curved. Zona glabra tympani is on a wide area.