Paratriarius coccineus is a species of skeletonizing leaf beetle in the family Chrysomelidae.

It was first described as Diabrotica coccinea by Joseph Sugar Baly in 1865.

[1] It was later treated as a Synbrotica species by Bechyné in 1956,[2] and subsequently listed under genus Paratriarius in the last world catalogue of Galerucinae.

[3] A syntype of the species is held in the collections of the Natural History Museum in London.

This Galerucinae article is a stub.