Cardiocondyla obscurior

Identification Keys including this Taxon

 * Key to US Cardiocondyla species
 * Key to Holartic Cardiocondyla

Distribution based on Regional Taxon Lists
Afrotropical Region: Comoros. Indo-Australian Region: American Samoa, Fiji, Guam, Marshall Islands, Micronesia (Federated States of), New Guinea, Northern Mariana Islands. Nearctic Region: United States. Neotropical Region: Barbados, Bermuda, Brazil, Costa Rica, Mexico. Oriental Region: Taiwan. Palaearctic Region: Canary Islands, Israel.

Nomenclature

 *  obscurior. Cardiocondyla wroughtoni var. obscurior Wheeler, W.M. 1929g: 44 (w.q.) TAIWAN. Raised to species and senior synonym of bicolor: Seifert, 2003a: 271.
 * bicolor. Cardiocondyla bicolor Donisthorpe, 1930b: 366 (w.) ISRAEL. Junior synonym of wroughtonii: Kugler, J. 1984: 6; of obscurior: Seifert, 2003a: 271.

Worker
Characterized by its dark color, the body and appendages being dull brown, the legs scarcely paler, the antennal clubs distinctly infuscated, the Whole gaster dark brown, except the posterior borders of the segments, which are paler.

Queen
The single specimen of this sex is dealated and headless and is perhaps immature, the body is paler and more yellowish than in the worker, except the tegulae, which are black and the gaster, which is dark brown throughout, with paler posterior borders to the segments.

Type Material
One worker and one female from Eisei, Formosa.