Leptothorax is a genus of small ants with mainly Holarctic distributions. The genus is notable for its widespread social parasitism, i.e. they are dependent on the help of workers from other ant species during a part or the whole of their life cycles.
Closely related genera are Cardiocondyla, Stereomyrmex and Romblonella.
Species
Leptothorax acervorum (Fabricius, 1793) Leptothorax athabasca Buschinger & Schulz, 2008 Leptothorax buschingeri Kutter, 1967 Leptothorax calderoni Creighton, 1950 Leptothorax canadensis Provancher, 1887 Leptothorax crassipilis Wheeler, 1917 Leptothorax faberi Buschinger, 1983 Leptothorax goesswaldi Kutter, 1967 Leptothorax gredleri Mayr, 1855 Leptothorax kutteri Buschinger, 1966 Leptothorax muscorum (Nylander, 1846) Leptothorax oceanicus (Kuznetsov-Ugamsky, 1928) Leptothorax pacis (Kutter, 1945) Leptothorax paraxenus Heinze & Alloway, 1992 Leptothorax pocahontas (Buschinger, 1979) Leptothorax retractus Francoeur, 1986 Leptothorax scamni Ruzsky, 1905 Leptothorax sphagnicola Francoeur, 1986 Leptothorax tibeticus Seifert, 2023 Leptothorax wilsoni Heinze, 1989
References