Erechthias indicans is a species of moth in the family Tineidae.

This species is endemic to New Zealand and has been observed in Wellington in January.

[3] The female holotype specimen of this species was collected by George Vernon Hudson in Karori, Wellington and is held at the Natural History Museum, London.

Forewings elongate-lanceolate, apex produced; brown irrorated with dark fuscous; an irregular white median stripe from base to 3⁄5, broadest towards its middle, apex pointed; a narrow white dorsal stripe from base to tornus; rather thick irregular very oblique white streaks from costa at middle and 3⁄4 almost to termen; a small round black apical spot preceded by a triangular white spot on costa: cilia whitish, round apex a median line of dark-fuscous points, a short subbasal similar line beneath apex, and one at base along termen.

[1] This species has been observed in Karori, Wellington and in Ōtari-Wilton's Bush.