Cephalotes obtusus

Cephalotes obtusus (Smith, 1858) junior synonym of current valid taxon Cephalotes pusillus (Klug, 1824)

Cryptocerus obtusus Smith, 1858a: 191 (w.) BRAZIL (Pará). Neotropic.

Primary type information: Primary type material: holotype (?) worker. Primary type locality: Brazil: Santarem (H.W. Bates). Primary type depository: BMNH. Type notes: 1) No indication of number of specimens is given. 2) De Andrade & Baroni Urbani, 1999: 172, record a second syntype (in ZSBS) from Amazonas, but this locality is not mentioned in the original description.

Status as species: Smith, 1862d: 410; Mayr, 1862: 764; Mayr, 1863a: 406; Roger, 1863b: 38; Dalla Torre, 1893: 143; Forel, 1895b: 134.
Junior synonym of Cephalotes pusillus: Forel, 1911g: 262; Emery, 1924f: 307; Borgmeier, 1927c: 116; Kempf, 1951: 176; Kempf, 1972b: 180; Brandão, 1991: 388; Bolton, 1995b: 426; De Andrade & Baroni Urbani, 1999: 172; Oliveira et al., 2021: 42 (in list).

Obsolete combinations

Cryptocerus obtusus

Citations

Bolton, B. 1995b. A new general catalogue of the ants of the world. Cambridge, Mass.: Harvard University Press, 504 pp.
Borgmeier, T. 1927c. Catalogo systematico e synonymico das formigas do Brasil. 2 parte. Subf. Pseudomyrminae, Myrmicinae, Formicidae. Archivos do Museu Nacional (Rio de Janeiro) 29:69-164. PDF
Brandão, C. R. F. 1991. Adendos ao catálogo abreviado das formigas da região Neotropical (Hymenoptera: Formicidae). Revista Brasileira de Entomologia 35:319-412. PDF
Dalla Torre, K. W. 1893. Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus. Vol. 7. Formicidae (Heterogyna). Leipzig: W. Engelmann, 289 pp. PDF
De Andrade, M. L.; Baroni Urbani, C. 1999. Diversity and adaptation in the ant genus Cephalotes, past and present. Stuttgarter Beiträge zur Naturkunde. Serie B (Geologie und Paläontologie) 271:1-889. PDF
Emery, C. 1924f ("1922"). Hymenoptera. Fam. Formicidae. Subfam. Myrmicinae. [concl.]. Genera Insectorum 174C:207-397. PDF
Forel, A. 1895b. A fauna das formigas do Brazil. Boletim do Museu Paraense de Historia Natural e Ethnographia 1:89-139. PDF
Forel, A. 1911g. Die Ameisen des K. Zoologischen Museums in München. Sitzungsberichte der Mathematischen-Physikalischen Klasse der Königlich Bayerischen Akademie der Wissenschaften zu München 11:249-303. PDF
Kempf, W. W. 1951. A taxonomic study on the ant tribe Cephalotini (Hymenoptera: Formicidae). Revista de Entomologia (Rio de Janeiro) 22:1-244. PDF
Kempf, W. W. 1972b. Catálogo abreviado das formigas da região Neotropical. Studia Entomologica 15:3-344. PDF
Mayr, G. 1862. Myrmecologische Studien. Verhandlungen der Kaiserlich-Königlichen Zoologisch-Botanischen Gesellschaft in Wien 12:649-776. PDF
Mayr, G. 1863a. Formicidarum index synonymicus. Verhandlungen der Kaiserlich-Königlichen Zoologisch-Botanischen Gesellschaft in Wien 13:385-460. PDF
Oliveira, A. M.; Powell, S.; Feitosa, R. M. 2021. A taxonomic study of the Brazilian turtle ants (Formicidae: Myrmicinae: Cephalotes). Revista Brasileira de Entomologia 65 (3):52 pp. e20210028. [online early] 10.1590/1806-9665-RBENT-2021-0028 PDF
Roger, J. 1863b. Verzeichniss der Formiciden-Gattungen und Arten. Berliner Entomologische Zeitschrift 7(Beilage):1-65. PDF
Smith, F. 1858a. Catalogue of hymenopterous insects in the collection of the British Museum. Part VI. Formicidae. London: British Museum, 216 pp. PDF
Smith, F. 1862d. A list of the genera and species belonging to the family Cryptoceridae, with descriptions of new species; also a list of the species of the genus Echinopla. Transactions of the Entomological Society of London (3)1:407-416. PDF