About Marumba spectabilis Butler, 1875
Marumba spectabilis (Butler, 1875) has a wingspan ranging from 94 to 118 mm. Compared to other species in the Marumba genus, its overall coloration is more rufous brown. This moth species can be found in Nepal, north-eastern India, southern China, Thailand, Laos, Vietnam, Malaysia (Peninsular Malaysia and Sarawak), and Indonesia (Sumatra, Java, Kalimantan, and Sulawesi).