Stenoma sematopa is a moth of the family Depressariidae. It is found in Guyana."Stenoma Zeller, 1839" at Markku Savela's Lepidoptera and Some Other Life Forms
The wingspan is 15–16 mm. The forewings are light glossy grey, with a faint violet tinge and with the extreme costal edge whitish. There are short very fine ochreous-whitish lines from the base in the middle and on the fold. The hindwings are grey.Exotic Microlepidoptera 1 (15): 450
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