Belonocnema is a genus of oak gall wasps in the family Cynipidae, found in the United States from Texas, east to Florida.

All species induce galls on section Virentes oaks and have both sexual and asexual generations.

[1][2] A number of inquiline, parasitoid, and hyperparasitoid wasp species have been reared from Belonocnema galls.

[2] The genus was first named and described by Gustav Mayr in 1881 with Belonocnema treatae as the type species.

[1] The genus Dryorhizoxenus, described by William Ashmead, is considered a synonym of Belonocnema, with its type species, D. floridanus, included in B.