Crematogaster opaca

Identification
A member of the Crematogaster scutellaris group.

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

Nomenclature

 * . Crematogaster opaca Mayr, 1870b: 992 (w.) MEXICO (no state data).
 * Type-material: holotype (?) worker.
 * [Note: no indication of number of specimens is given.]
 * Type-locality: Mexico: (no further data) (Bilimek & Sichel).
 * Type-depository: NHMW.
 * Morgan & Mackay, 2017: 304 (q.m.).
 * Combination in C. (Acrocoelia): Emery, 1922e: 141;
 * combination in C. (Crematogaster): Kempf, 1972a: 81.
 * Subspecies of lineolata: Emery, 1895c: 283; Wheeler, W.M. 1908e: 478; Wheeler, W.M. 1910g: 564; Wheeler, W.M. 1914b: 44; Emery, 1922e: 141.
 * Status as species: Dalla Torre, 1893: 84; Pergande, 1896: 876; Forel, 1899c: 86; Wheeler, W.M. 1919g: 111; Wheeler, W.M. 1934f: 139; Wheeler, W.M. 1935g: 22; Enzmann, J. 1946c: 94; Creighton, 1950a: 216; Smith, M.R. 1958c: 127; Kempf, 1972a: 81; Hunt & Snelling, 1975: 21; Smith, D.R. 1979: 1380; Bolton, 1995b: 159; Morgan & Mackay, 2017: 302 (redescription).
 * Distribution: Mexico, U.S.A.

References based on Global Ant Biodiversity Informatics

 * Dattilo W. et al. 2019. MEXICO ANTS: incidence and abundance along the Nearctic-Neotropical interface. Ecology https://doi.org/10.1002/ecy.2944
 * Forel A. 1901. I. Fourmis mexicaines récoltées par M. le professeur W.-M. Wheeler. II. A propos de la classification des fourmis. Annales de la Société Entomologique de Belgique 45: 123-141.
 * Garcia Moreno D., R. W. Jones, W. P. Mackay, and P. R. Fernandez. 2003. Diversity and habitat associations of the ants (Insecta: Formicidae) of El Eden Ecological Reserve. In: Gómez-Pompa, A., Allen, M.F., Fedick, S.L., Jiménez-Osornio, J.J. (eds.)The Lowland Maya Area: three millennia at the human-wildland interface. The Haworth Press. New York. Pp. 293-304.
 * Hernandez, F. Varela and G. Castano-Meneses. 2010. Checklist, Biological Notes and Distribution of Ants (Hymenoptera: Formicidae) from Barranca de Metztitlán Biosphere Reserve, Hidalgo, Mexico. Sociobiology 56(2):397-434
 * Kempf, W.W. 1972. Catalago abreviado das formigas da regiao Neotropical (Hym. Formicidae) Studia Entomologica 15(1-4).
 * Longino J. et al. ADMAC project. Accessed on March 24th 2017 at https://sites.google.com/site/admacsite/
 * Longino, J.T. 2010. Personal Communication. Longino Collection Database
 * Morgan C., and W. P. Mackay. 2017. The North America acrobat ants of the hyperdiverse genus Crematogaster. Mauritius: LAP LAMBERT Academic Publishing, 540 pp.
 * Morgan, C.E. 2009. Revision of the ant genus Crematogaster (Hymenoptera: Formicidae) in North America. Ph.D. Dissertation, University of Texas at El Paso, 268 pp.
 * Pergande, T. 1895. Mexican Formicidae. Proceedings of the California Academy of Sciences Ser. 2 :850-896
 * Rico-Gray,V., J.G. Garcia-Franco, M. Palacios-Rios, C. Diaz-Castelazo, V. Parra-Tabla and J.A. Navarro. 1998. Geographical and Seasonal Variation in the Richness of Ant-Plant Interactions in Mexico. Biotropica 30(2):190-200.
 * Rios-Casanova, L., A. Valiente-Banuet, and V. Rico-Gray. (2004). Las hormigas del Valle de Tehuacan (Hymenoptera: Formicidae): una comparacion con otras zonas aridas de Mexico. Acta Zoologica Mexicana 20: 37-54.
 * Serrano-Cardozo, V. H., J. A. Lemos-Espinal, and G. R. Smith. 2008. Comparative diet of three sympatric Sceloporus in the semiarid Zapotitlan Valley, Mexico. Revista Mexicana de Biodiversidad 79: 427-434.
 * Varela-Hernandez, F., M. Rocha-Ortega, W. P. Mackay, and R. W. Jones. 2016. Lista preliminar de las hormigas (Hymenoptera: Formicidae) del estado de Queretaro, Mexico. Pages 429-435 in . W. Jones., and V. Serrano-Cardenas, editors. Historia Natural de Queretaro. Universidad Autonoma de Queretaro, Mexico.
 * Vasquez-Bolanos M. 2011. Checklist of the ants (Hymenoptera: Formicidae) from Mexico. Dugesiana 18(1): 95-133.
 * Vásquez-Bolaños M. 2011. Lista de especies de hormigas (Hymenoptera: Formicidae) para México. Dugesiana 18: 95-133
 * Wheeler W.M. 1935. Check list of the ants of Oceania. Occasional Papers of the Bernice Pauahi Bishop Museum 11(11):1-56.
 * Wheeler, William Morton. 1934. Ants From The Islands Off The West Coast Of Lower California and Mexico. The Pan-Pacific Entomologist. 10(3):131-144.