Laricobius nigrinus

Laricobius nigrinus
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Coleoptera
Suborder: Polyphaga
Family: Derodontidae
Genus: Laricobius
Species:
L. nigrinus
Binomial name
Laricobius nigrinus
Fender, 1945

Laricobius nigrinus is a species of tooth-necked fungus beetle in the family Derodontidae. It is native to western North America, and it is being studied as a biological control agent for the hemlock woolly adelgid. It was first released in 2003 and continues to be reared and released across the Northeast to control infestations.