Ants of Marin County
Based on species list from AntWeb.org
Western Carpenter Ant
Camponotus modoc or western carpenter ant is a black carpenter ant with dark red legs. Workers range in size from 7 to 13 millimetres (0.28 to 0.51 in).
Formica fusca
Formica fusca, a common black colored ant found in Europe, is a palaearctic ant with a range extending from Portugal in the west to Japan in the east and from Italy in the south to Fennoscandia in the north. F. fusca nests are usually found in rotten tree stumps or under stones in clearcut areas and along woodland borders and hedgerows.
Formica pacifica
Formica pacifica is an ant species occupying the Pacific coast of the United States and British Columbia, Canada.
Lasius alienus
Lasius alienus, is a species of ant in the subfamily Formicinae (family Formicidae). Workers have a length of about 2–4 mm, females are larger (7–9 mm).
Slave-making Ant
Polyergus breviceps is a species of ant which is endemic to the United States. It is a social parasite of other ants, namely of Formica gnava but also of Formica occulta and Formica argentea.Polyergus is an inquiline parasite, having lost its ability to take care of its young and themselves. "The workers do not forage for food, feed the young or the ...more ↓
