Pexicopia epactaea is a moth of the Gelechiidae family. It was described by Meyrick in 1904. It is found in Australia, where it has been recorded from South Australia. The wingspan is about 17 mm. The forewings are pale brownish-ochreous, irregularly irrorated and partially suffused with dark fuscous, especially towards the dorsum and posteriorly. There is a spot of whitish-ochreous suffusion beneath the costa near the base. The stigmata are dark fuscous, very obscure, the plical beneath the first discal, the second discal more distinct, partially surrounded with whitish-ochreous suffusion. The hindwings are fuscous, paler anteriorly.