Anarsia anthracaula is a moth in the family Gelechiidae. It was described by Meyrick in 1929. It is found on the New Hebrides. The wingspan is about 9 mm. The forewings are pale grey, with the tips of the scales whitish, forming a fine transverse striolation and with a minute linear mark of black specks towards the costa near the base, one towards the costa at one-fourth, three forming a triangle in the dorsal area before the middle, a small group of black specks in the disc beyond the middle, and two others posteriorly. There is a small oblique indistinct dark grey spot on the costa before one-third, a larger one in the middle, a small mark beyond this, an oblique dark grey mark at two-thirds, and a small spot towards the apex. A small dark grey spot is found on the tornus. The hindwings