''Perilitus brevicollis'' is a species of

parasitoid wasp Parasitoid wasps are a large group of hymenopteran superfamilies, with all but the wood wasps (Orussoidea) being in the wasp-waisted Apocrita. As parasitoids, they lay their eggs on or in the bodies of other arthropods, sooner or later causin ...

in the family

Braconidae The Braconidae are a family of parasitoid wasps. After the closely related Ichneumonidae, braconids make up the second-largest family in the order Hymenoptera, with about 17,000 recognized species and many thousands more undescribed. One analysis ...

. The host of this wasp is the

blue willow beetle The blue willow beetle (''Phratora vulgatissima''), formerly ''Phyllodecta vulgatissima'', is a herbivourous beetle of the Family (biology), family Chrysomelidae. It is dark with a metallic sheen that ranges from a blue color to bronze. It is di ...

(''Phratora vulgatissima''), which is a pest in Europe.

References

{{Taxonbar, from=Q2134491 Braconidae