Stenoma tyrocrossa is a moth of the Depressariidae family. It is found in Brazil (Para). The wingspan is 13–14 mm. The forewings are dark grey with the costal edge white from one-fourth to three-fourths and with an oblique suffused whitish spot from the costa before the middle, followed by slight blackish suffusion. There is an evenly curved blackish line from three-fourths of the costa to the tornus, followed by white suffusion, excluded the apical and terminal area which are whitish-ochreous with five blackish marginal dots and a spot of grey suffusion at the apex. The hindwings are dark grey, rather lighter in the disc towards the base.