A new subspecies of Notodontidae Sumeria dipotamica flavoalata subspec. nov. from North Oman, Nizwa, is described. Its Q genital structure and the 9 genital structure of the nominate subspecies from Mesopotamia is described and illustrated for the first time. Both subspecies are compared and their characteristic diagnostic differences are illustrated. The appearance of the moth in oases and town gardens of Eastern Eremic areas mentioned by Wiltshire (1957) can also be confirmed as true for Oman. Furthermore, records for October, December and April suppose a flight period all over the year in at least two generations.

A new subspecies of Notodontidae Sumeria dipotamica flavoalata subspec. nov. from North Oman, Nizwa, is described. Its Q genital structure and the 9 genital structure of the nominate subspecies from Mesopotamia is described and illustrated for the first time. Both subspecies are compared and their c...