The Formicidae (Hymenoptera) of Fennoscandia and Denmark. Collingwood, C. A. Fauna Entomologica Scandinavica 1979 8 1 174 urn:lsid:biosci.ohio-state.edu:osuc_concepts:192746 Insecta Formicidae Lasius Animalia Lasius affinis (Schenck) Hymenoptera 102 Arthropoda species affinis  This is an uncommon Central European species which has occurred in North Germany and Poland and also Belgium and the Netherlands. The worker is like that of L. bicornis, but has the dorsum of the gaster as well as alitrunk crowded with long hairs and the scale with a more angular emargination. Queens and males have similar differences and are much larger than L. bicornis.