Labidostomis longimana is a species of short-horned leaf beetles belonging to the family Chrysomelidae, subfamily Cryptocephalinae, tribe Clytrini.

This species is found in most of Europe, in the eastern Palearctic realm, and in the Near East.

[1] These beetles are 4–7 mm long, the head and pronotum are black, the elytra are orange-brown.

The life cycle of these beetles lasts two years.

It is considered a pest of Pistachio (Pistacia vera).