Genus Strongylognathus Mayr, 1853

Strongylognathus Mayr, 1853:389.

Type-species: Eciton testaceum Schenck, 1852.

Worker and queen. Mandibles falcate, tapering to apex, edentate or occasionally with a minute denticle before apex. Palp formula -4:3, antennae 12 segmented. Propodeum with a pair of very small denticles.

Male. Mandibles as worker but smaller; antennae 10 segmented with elongated second funicular segment as in Tetramorium.

This is a palaearctic genus with several species each dependant on one or other Tetramorium species. One species only occurs in North Europe.