Trismelasmos papuana is a moth in the family Cossidae. It was described by Roepke in 1955.Natural History Museum Lepidoptera generic names catalog It is found in New Guinea,, 2011: Catalogue of the Family Cossidae of the Old World. Neue Entomologische Nachrichten, 66: 1-129. where it has been recorded from Papua, Papua New Guinea and the Dampier Archipelago.
The wings have a pale (often white) ground colour.The Goat Moths (Lepidoptera: Cossidae) of Papua Indonesia
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