Alloperla roberti

Alloperla roberti, the Illinois sawfly or Robert's stonefly, is a species of stonefly in the family Chloroperlidae. It was endemic to Illinois and its type locality was in Rock Island County. It has not been seen since 1860 and is likely extinct.^[1][2]

Alloperla roberti
Conservation status
Extinct  (IUCN 2.3)[1]
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Plecoptera
Family:	Chloroperlidae
Genus:	Alloperla
Species:	†A. roberti
Binomial name
†Alloperla roberti Surdick, 1981
Location of Rock Island County, Illinois, the type locality