Chelaner bicornis

Identification
Heterick (2009) - A dark brown to black-and-yellow species. East coast workers are essentially dark brown, black or black-and-brown. Workers in the SWBP, WA are black with yellow gasters.

Distribution
Heterick (2009) - Found throughout temperate Australia.

Distribution based on Regional Taxon Lists
Australasian Region: Australia.

Nomenclature

 *  bicorne. Monomorium bicorne Forel, 1907h: 276 (q.) AUSTRALIA. Heterick, 2001: 370 (w.m.). Combination in M. (Notomyrmex): Emery, 1922e: 170; in Chelaner: Ettershank, 1966: 96; in Monomorium: Taylor, 1987b: 2. Senior synonym of macareaveyi: Heterick, 2001: 370.
 * niger. Monomorium (Holcomyrmex) niger McAreavey, 1949: 12, figs. 36-41 (w.q.m.) AUSTRALIA. [Junior secondary homonym of Holcomyrmex criniceps var. niger Forel, above.] Replacement name: Monomorium macareaveyi Ettershank, 1966: 97.
 * macareaveyi. Chelaner macareaveyi Ettershank, 1966: 97. Replacement name for Monomorium niger McAreavey, 1949: 12. [Junior secondary homonym of Holcomyrmex criniceps var. niger Forel, 1902c: 220.] Combination in Monomorium: Taylor, 1987b: 3. Junior synonym of bicorne: Heterick, 2001: 370.