The Formicidae (Hymenoptera) of Fennoscandia and Denmark. Author Collingwood, C. A. text Fauna Entomologica Scandinavica 1979 8 1 174 http://antbase.org/ants/publications/6175/6175.pdf journal article 6175 Plagiolepis vindobonensis Lomnicki , 1925. Fig. 158. Plagiolepis vindobonenis Lomnicki , 1925: 78. Worker. Pale to dark brown, somewhat shining, with sparse pubescence. Erect hairs are present over head and alitrunk and more thickly distributed over gaster. Head about as long as broad; pronotum broad, about l'/i width of propodeum; gaster heartshaped, much broader than alitrunk; scale, nodal reduced. Third and fourth funiculus segments subequal, about twice as long as second segment. Scape over-reaching occiput by about 1/6 its length. Ocelli absent. Length: 1.0-2.0 mm. Queen. As worker but with broad flat alitrunk. Length: 3.0-4.0 mm. Male. Brownish black. Head broader than long; eyes prominent, set forward of midlength ofhead. Antennae 12 segmented with scape overreaching occiput by 1/5 its length, funiculus segments scarcely longer than broad. Length: 1.5-2.0 mm. Distribution. Central and Eastern Europe. Biology. This minute species lives in small isolated colonies nesting under flat stones usually with several queens.