Elachyophtalma cotanoides is a moth in the Bombycidae family. It was described by Rothschild in 1920. It is found in New Guinea. The wingspan is 56 mm. The forewings are chocolate-rufous, the basal three-fifths of the costal are area orange and the nervures golden-yellow washed with rufous on the inner four-fifths of the wing. There is a darker rufous and yellow double postmedian band. The hindwings are chocolate-rufous.