Palumbina longipalpis is a moth of the Gelechiidae family. It was described by Bradley in 1961. It is found on Guadalcanal. The wingspan is about 12 mm. The forewings are shaded with tilleul-buff, with vinaceous-buff, obscure markings. There are rather inwardly-oblique broad fasciae near the base, in the middle, and towards the apex. The apex is suffused with dark fuscous. The hindwings are whitish suffused with fuscous.