Crematogaster coarctata

Nevada, Wheeler and Wheeler (1986) - sixteen nests were under stones, 1 was exposed with a 50-mm crater, 1 was in duff at the base of a juniper, 2 were at the base of Sarcobatus vermiculatus, 3 were at the base of Atriplex confertifolia. Workers of C. coarctata were tending Phenacoccus solenopsis (Homoptera: Pseudococcidae; det. D.R. Miller) on the bases of stems of Atriplex confertifolia just below ground surface.

Distribution based on Regional Taxon Lists
Nearctic Region: United States. Neotropical Region: Mexico.



Nomenclature

 *  coarctata. Crematogaster coarctata Mayr, 1870b: 992 (w.) U.S.A.
 * Combination in C. (Acrocoelia): Emery, 1922e: 141.
 * Combination in C. (Crematogaster): Buren, 1968b: 94.
 * Junior synonym of lineolata: Mayr, 1886d: 462.
 * Revived from synonymy as subspecies of lineolata: Emery, 1895c: 283; Wheeler, W.M. 1904d: 270.
 * Revived status as species: Wheeler, W.M. 1919g: 111.
 * Subspecies of lineolata: Emery, 1922e: 141.
 * Subspecies of opaca: Enzmann, J. 1946c: 94.
 * Revived status as species: Creighton, 1950a: 207; Buren, 1968b: 94 (in key).
 * Senior synonym of californica, mormonum: Morgan & Mackay, 2017: 105.
 * californica. Crematogaster laeviuscula var. californica'' Wheeler, W.M. 1919g: 111 (w.) U.S.A.
 * [First available use of Crematogaster lineolata subsp. laeviuscula var. californica Emery, 1895c: 285; unavailable name.]
 * Combination in C. (Crematogaster): Buren, 1968b: 94.
 * Subspecies of lineolata: Wheeler, W.M. 1934f: 135.
 * Junior synonym of coarctata: Creighton, 1950a: 207.
 * Revived from synonymy and raised to species: Smith, M.R. 1951a: 808; Buren, 1968b: 94 (in key).
 * Junior synonym of coarctata: Morgan & Mackay, 2017: 105.
 * mormonum. Crematogaster coarctata var. mormonum Wheeler, W.M. 1919g: 111 (w.) U.S.A.
 * [First available use of Crematogaster lineolata subsp. coarctata var. mormonum Emery, 1895c: 284; unavailable name.]
 * Combination in C. (Acrocoelia): Emery, 1922e: 141.
 * Combination in C. (Crematogaster): Buren, 1968b: 94.
 * Raised to species: Creighton, 1950a: 215.
 * Junior synonym of coarctata: Morgan & Mackay, 2017: 105.