Leptothorax

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 acervorum vandeli (Bondroit, 1920)
 * Leptothorax athabasca Buschinger & Schulz, 2008
 * Leptothorax buschingeri Kutter, 1967
 * Leptothorax calderoni Creighton, 1950
 * Leptothorax crassipilis Wheeler, 1917
 * Leptothorax faberi Buschinger, 1983
 * Leptothorax goesswaldi Kutter, 1967
 * Leptothorax gredleri Mayr, 1855
 * Leptothorax kutteri Buschinger, 1966
 * Leptothorax minutissimus Smith, 1942
 * Leptothorax muscorum (Nylander, 1846)
 * Leptothorax muscorum uvicensis Blacker, 1992
 * Leptothorax oceanicus (Kuznetsov-Ugamsky, 1928)
 * Leptothorax pacis (Kutter, 1945)
 * Leptothorax paraxenus Heinze & Alloway, 1992
 * Leptothorax pocahontas (Buschinger, 1979)
 * Leptothorax recedens (Nylander, 1856)
 * Leptothorax retractus Francoeur, 1986
 * Leptothorax scamni Ruzsky, 1905
 * Leptothorax sphagnicola Francoeur, 1986
 * Leptothorax wilsoni Heinze, 1989
 * Leptothorax zhengi Zhou & Chen, 2011