Stereodmeta xylodeta is a genus of moth in the family Gelechiidae. It contains the species Stereodmeta xylodeta, which is found in Brazil. The wingspan is about 23 mm. The forewings are grey, transversely strigulated indistinctly dark fuscous and with the costa suffused dark brown from about one-third to three-fourths. The stigmata are very obscure, suffused and dark fuscous, with the plical slightly before the first discal. The apical area and termen are suffused brownish-ochreous and marked fuscous on the veins. The hindwings are dark grey.