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

[1] This species can be found in the southern part of Europe, Romania, Ukraine, the Volga basin, and in the eastern Palearctic realm.

[2][3] Labidostomis cyanicornis can reach a body length of 6.6–8.5 millimetres (0.26–0.33 in).

Pronotum is strongly punctate, with rather short hairs or it is almost hairless, while the abdomen is rather hairy.

The head and pronotum are black with distinct greenish metallic reflex, while the elytra are pale orange-brown.