Gonioterma fastigata is a moth of the family Depressariidae. It is found in Guyana."Gonioterma Walsingham, 1897" at Markku Savela's Lepidoptera and Some Other Life Forms
The wingspan is 23–24 mm. The forewings are pale ochreous with the costal edge ochreous-yellow, margined beneath on the posterior two-thirds with deeper ochreous or fuscous suffusion, stronger and darker posteriorly. There is a suffused light brownish or fuscous streak from the middle of the base parallel with the costa to one-third. A similar better marked streak runs from the dorsum near the base to a patch on the middle of the costa, where a similar streak runs toward the tornus becoming faint in the disc and merged in a general very undefined deeper ochreous or light fuscous terminal suffusion. There is a similar less marked or nearly obsolete streak along the dorsum. The hindwings are pale whitish yellowish, with the termen suffused with ochreous yellow.Exotic Microlepidoptera 1 (14): 430
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