Anachastis is a genus of moths of the Xyloryctidae family from the Seychelles. It contains only one species, Anachastis digitata. The wingspan is about 21 mm. The forewings are pale greyish-ochreous irregularly tinged with crimson-pink, with scattered brown and blackish scales. The second discal stigma is dark grey and there is a reddish-fuscous outwardly oblique streak from the dorsum before the middle, not reaching the fold, and a similar inwardly oblique streak from the tornus. The hindwings are light grey.