Polyergus Formica rufescens Latreille The Formicidae (Hymenoptera) of Fennoscandia and Denmark. Collingwood, C. A. Fauna Entomologica Scandinavica 1979 8 1 174 63NDS urn:lsid:biosci.ohio-state.edu:osuc_concepts:2509 Insecta Formicidae Polyergus Animalia Polyergus Latreille Hymenoptera 155 Arthropoda genus   PolyergusLatreille, 1805: 256. Type-species: Formica rufescens Latreille, 1798.  This genus includes three palaearctic and several nearctic species immediate recognisable from other formicine ants by the long sickle shaped toothless mandible and much reduced thin palps, formula 4: 2. Members of this genus raid nests of ants the Formica fuscagroup to carry away pupae to be reared as auxiliaries in the ho[[..]] nest. Polyergusworkers are unable to feed themselves and are entirely dependent o captive Formicafor their survival.