Cerconota brachyplaca is a moth of the Depressariidae family. It is found in Brazil and French Guiana. The wingspan is 20-21 mm. The forewings are whitish-ochreous with the costal edge more ochreous, grey at the base. There is a subquadrate purple-blackish blotch on the dorsum towards the base, margined above with brown suffusion. There is a purplish-grey mark on the costa at one-fourth, a small triangular spot on the middle of the costa, three or four marks in a subcostal series beneath these, and a shadowy mark indicating the termination of the series from the dorsum at four-fifths. There is some brownish-ochreous suffusion above the middle of the disc, and another cloud beyond the blackish second discal stigma. A flattened-triangular purplish-grey spot is found on the costa about three-