Pyncostola stalactis 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 and Tasmania.[1]
The wingspan is . The forewings are whitish, densely irrorated (sprinkled) with brown and with a cloudy blackish-fuscous dot beneath the costa at one-sixth, one on the fold beyond this, one towards the costa at one-third, one on the fold hardly beyond this, one in the middle of the disc, and one in the disc at two-thirds. The hindwings are pale grey.[2]