Eciton rapax

Distribution based on Regional Taxon Lists
Neotropical Region: Bolivia, Brazil, Ecuador, Peru, Venezuela.

Biology
Brown & Fenner (1998) report this species conducting raids on the nests of an unknown species of Pheidole at Pakitza, Peru.

Castes

 * Worker


 * Queen


 * Male

Nomenclature

 * . Eciton rapax Smith, F. 1855c: 163, pl. 13, figs. 3, 4 (s.w.) BRAZIL (Pará).
 * Type-material: holotype [recte: lectotype (by designation of Borgmeier, 1955: 211)] worker (major).
 * Type-locality: Brazil: Pará, Belém (H.W. Bates) (by restriction of Borgmeier, 1955: 211).
 * [Note: Smith originally also included minor workers in his type-series, from Brazil: Santarem (Bates); these were excluded from the type-series by Borgmeier, 1955: 211, who identified them as E. burchellii.]
 * Type-depository: BMNH.
 * [Note: in the figure legends of Smith, F. 1855c: 169, pl. 13, the name rapax is misspelled as raptor; an incorrect subsequent spelling that does not enter into homonymy.]
 * Mayr, 1886b: 118 (w.); Wheeler, G.C. & Wheeler, J. 1974c: 169 (l.); Rettenmeyer, 1974: 297 (q.m.).
 * Combination in E. (Eciton): Emery, 1910b: 21;
 * combination in E. (Holopone): Santschi, 1925b: 11;
 * combination in Eciton: Borgmeier, 1955: 211.
 * Status as species: Smith, F. 1858b: 151; Mayr, 1863: 409; Roger, 1863b: 36; Mayr, 1865: 77 (in key); Mayr, 1886b: 118 (in key); Dalla Torre, 1893: 5; Emery, 1894c: 179; Forel, 1895b: 120; Forel, 1901h: 49; Emery, 1910b: 21; Mann, 1916: 420; Borgmeier, 1923: 39; Wheeler, W.M. 1925a: 1; Borgmeier, 1953: 16; Borgmeier, 1955: 211 (redescription); Kempf, 1970b: 323; Kempf, 1972a: 103; Watkins, 1976: 9 (in key); Wheeler, G.C. & Wheeler, J. 1984: 270; Brandão, 1991: 341; Bolton, 1995b: 186; Palacio, 1999: 151 (in key); Bezděčková, et al. 2015: 110; Palacio, 2019: 601.
 * Distribution: Bolivia, Brazil, Colombia, Peru.

References based on Global Ant Biodiversity Informatics

 * Basset Y., L. Cizek, P. Cuenoud, R. K. Didham, F. Guilhaumon, O. Missa, V. Novotny, F. Odegaards, T. Roslin, J. Schmidl et al. 2012. Arthropod diversity in a tropical forest. Science 338(6113): 1481-1484.
 * Bezdeckova K., P. Bedecka, and I. Machar. 2015. A checklist of the ants (Hymenoptera: Formicidae) of Peru. Zootaxa 4020 (1): 101–133.
 * Borgmeier T. 1923. Catalogo systematico e synonymico das formigas do Brasil. 1 parte. Subfam. Dorylinae, Cerapachyinae, Ponerinae, Dolichoderinae. Archivos do Museu Nacional (Rio de Janeiro) 24: 33-103.
 * Borgmeier T. 1955. Die Wanderameisen der neotropischen Region. Studia Entomologica 3: 1-720.
 * Brandao, C.R.F. 1991. Adendos ao catalogo abreviado das formigas da regiao neotropical (Hymenoptera: Formicidae). Rev. Bras. Entomol. 35: 319-412.
 * Brown W. L., Jr. 1976. Contributions toward a reclassification of the Formicidae. Part VI. Ponerinae, tribe Ponerini, subtribe Odontomachiti. Section A. Introduction, subtribal characters. Genus Odontomachus. Stud. Entomol. 19: 67-171.
 * Emery C. 1894. Studi sulle formiche della fauna neotropica. VI-XVI. Bullettino della Società Entomologica Italiana 26: 137-241.
 * Fernandez F. C., and L. Schneider S. 1989. Reconocimiento de hormigas en la reserva La Macarena. Revista Colombiana de Entomologia 15(1): 38-44.
 * Fernández, F. and S. Sendoya. 2004. Lista de las hormigas neotropicales. Biota Colombiana Volume 5, Number 1.
 * Forel A. 1901. Formiciden des Naturhistorischen Museums zu Hamburg. Neue Calyptomyrmex-, Dacryon-, Podomyrma- und Echinopla-Arten. Mitt. Naturhist. Mus. Hambg. 18: 43-82.
 * Franco W., N. Ladino, J. H. C. Delabie, A. Dejean, J. Orivel, M. Fichaux, S. Groc, M. Leponce, and R. M. Feitosa. 2019. First checklist of the ants (Hymenoptera: Formicidae) of French Guiana. Zootaxa 4674(5): 509-543.
 * Gomez V. E. S., and G. Z. González. 2007. Catalogo de Las Hormigas Presentes en El Museo de Historia Natural de la Universidad del Cauca. Popayán : 1-58.
 * Kempf, W.W. 1972. Catalago abreviado das formigas da regiao Neotropical (Hym. Formicidae) Studia Entomologica 15(1-4).
 * Pires de Prado L., R. M. Feitosa, S. Pinzon Triana, J. A. Munoz Gutierrez, G. X. Rousseau, R. Alves Silva, G. M. Siqueira, C. L. Caldas dos Santos, F. Veras Silva, T. Sanches Ranzani da Silva, A. Casadei-Ferreira, R. Rosa da Silva, and J. Andrade-Silva. 2019. An overview of the ant fauna (Hymenoptera: Formicidae) of the state of Maranhao, Brazil. Pap. Avulsos Zool. 59: e20195938.
 * Ramirez, S and S.A. Cameron. 2003. Army Ant Attacks by Eciton hamatum and E. rapax (Hymenoptera: Formicidae) on Nests of the Amazonian Bumble Bee, Bombus transversalis (Hymenoptera: Apidae). Journal of the Kansas Entomological Society 76 (3) :533-535
 * Robson Simon Ant Collection, 05-Sept-2014
 * Watkins J. F., II 1976. The identification and distribution of New World army ants (Dorylinae: Formicidae). Waco, Texas: Baylor University Press, 102 pp