Collingwood, C. A., 1979, The Formicidae (Hymenoptera) of Fennoscandia and Denmark., Fauna Entomologica Scandinavica 8, pp. 1-174: 58

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Genus Sifolinia  HNS  Emery, 1907

Sifolinia  HNS  Emery, 1907:49.

Type-species: Sifolinia laurae Emery  HNS  , 1907.

Queen. General shape as in Myrmica  HNS  but antennal scape relatively thick; mid and hind tibiae with pectinate spurs reduced or absent. Both petiole and postpetiole are produced ventrally into blunt projections.

Male. General shape as in Myrmica  HNS  but lacking mid and hind tibial spurs. Antennae 12 segmented. Postpetiole with a blunt ventral projection, petiole thickened and swollen without defined projection. Notauli with posterior portion of Y tail reduced or absent. Wing venation of Myrmica  HNS  type but variable and often reduced.

This is a genus of workerless ants parasitic on Myrmica  HNS  species, with 4 or 5 species known from the palaearctic region only.