Oomyzus gallerucae is a species of chalcid wasp in the family Eulophidae.

[2] It is a parasitoid of the elm leaf beetle.

[3][4] The adults and larvae eat the eggs of the beetle.

[5] The species can be found in countries like France, Iran, Australia, and the United States.

[6] This article about chalcid wasps of the family Eulophidae is a stub.