Harpagoxenus

This slave-making ant frequently parasitizes two host species in the genus Leptothorax.

Nomenclature

 *  HARPAGOXENUS [Myrmicinae: Formicoxenini]
 * Harpagoxenus Forel, 1893a: 167. Replacement name for Tomognathus Mayr, 1861: 56. [Junior homonym of Tomognathus Agassiz, 1850: 376 (Pisces).]
 * TOMOGNATHUS [junior homonym, see Harpagoxenus]
 * Tomognathus Mayr, 1861: 56. Type-species: Myrmica sublaevis, by monotypy. [Junior homonym of Tomognathus Agassiz, 1850: 376 (Pisces).]
 * Harpagoxenus Forel, 1893a: 167, replacement name for Tomognathus Mayr.