Antaeotricha triplectra is a moth of the Depressariidae family. It is found in Guyana. The wingspan is 14-17 mm. The forewings are dark grey with very oblique black linear marks on the costa at one-fourth, the middle, and three-fourths, the costal edge between and beyond these suffused with ochreous-white. The second discal stigma is indistinct and dark fuscous, edged with ochreous-white posteriorly. From the third costal mark, a somewhat irregular dark fuscous line runs to the tornus, moderately curved on the lower half, the area beyond this more or less suffused with ochreous-white. There are about eight blackish marginal dots around the apex and termen. The hindwings are dark grey.