''Monomorium bidentatum'' is a species of ant in the subfamily

Myrmicinae Myrmicinae is a subfamily of ants, with about 140 extant genera; their distribution is cosmopolitan. The pupae lack cocoons. Some species retain a functional sting. The petioles of Myrmicinae consist of two nodes. The nests are permanent and ...

. It is endemic to two South American countries, Chile and Argentina.

Description

Workers are around long. The general color is dark brown, with the mandibles, antennae and legs slightly lighter. Females are almost long, but otherwise very similar to workers.

Distribution

''M. bidentatum'' is found in Chile and Argentina. It was first described from

Valdivia, Chile Valdivia (; Mapuche: Ainil) is a city and commune in southern Chile, administered by the Municipality of Valdivia. The city is named after its founder Pedro de Valdivia and is located at the confluence of the Calle-Calle, Valdivia, and Cau-Cau ...

Taxonomy

The genus '' Antichthonidris'' contained only two species, ''A. bidentata'' and '' A. denticulata''. Both species were originally described by Gustav Mayr under genus '' Monomorium''. However, ''Antichthonidris'' was synonymized with ''Monomorium'' in 2001, so that this genus is no longer valid, and the two species are again known under their original name.

References

bidentatum Hymenoptera of South America Fauna of Chile Fauna of Argentina Insects described in 1887 Taxa named by Gustav Mayr Taxonomy articles created by Polbot Taxobox binomials not recognized by IUCN {{myrmicinae-stub