Megacraspedus euxena 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 golden yellow ochreous with the costa narrowly white from the base to two-thirds. The stigmata are black, with the plical very obliquely beyond the first discal. The hindwings are grey.[2]