Antaeotricha tribomias is a moth of the Depressariidae family. It is found in Guyana. The wingspan is about 19 mm. The forewings are ochreous-white with a transverse dark fuscous mark from the base of the costa, almost connected with a slender dark fuscous longitudinal median streak from near the base to one-third and three dark fuscous rectangular dorsal blotches, the interspaces pale brownish, the first extending from the base to one-fourth, narrowed basally, the second from one-third to beyond the middle, reaching half across the wing, the third from two-thirds to the tornus, reaching somewhat more than half across the wing. There is a small dark fuscous spot above the middle of the wing, and a larger elongate one beyond and somewhat below it. A dark fuscous line is found from three-fou