Formica subelongata
Class:Insecta
Order:Hymenoptera
Family:Formicidae
Genus:Formica
Medium to large black ant. Colonies are under logs or other large objects. The species does not appear to be nearly as polydomous as F. sibylla (Nonacs).
Sierra Nevada Aquatic
Research Laboratory
University of California, Santa Barbara
Formica subelongata