Tetracis fuscata is a moth of the family Geometridae first described by George Duryea Hulst in 1898. It is only known from the US states of Colorado and Wyoming.
The length of the forewings 19–23 mm. Adults are generally on wing from late August to September.
External links Revision of the North American genera Tetracis Guenée and synonymization of Synaxis Hulst with descriptions of three new species (Lepidoptera: Geometridae: Ennominae)