Epiphthora harpastis is a moth of the family Gelechiidae. It was described by Edward Meyrick in 1904. It is found in Australia, where it has been recorded from Western Australia.[1]
The wingspan is . The forewings are whitish, irrorated (sprinkled) with dark fuscous and with a very indistinct darker slender transverse fascia at one-third, slightly oblique. There is an oblique bar from the middle of the dorsum, and a spot on the tornus darker, very obscure. The hindwings are light grey.[2]