Ectatomma muticum

This species attended extrafloral nectaries of the plant Turnera subulata in northeastern Brazil Caatinga vegetation.  Ectatomma muticum was classified as a subordinate species and was infrequently observed. (Passos and Leal 2019)

Distribution based on Regional Taxon Lists
Neotropical Region: Brazil, Mexico.

Nomenclature

 * . Ectatomma muticum Mayr, 1870b: 962 (w.) BRAZIL (Ceará).
 * Type-material: syntype workers.
 * Type-locality: Brazil: Ceará (no collector’s name).
 * Type-depository: NHMW.
 * Almeida, 1986: 26 (m.); Almeida, 1987: 176 (q.).
 * Combination in Ectatomma (Ectatomma): Mayr, 1887: 539.
 * Junior synonym of edentatum: Gallardo, 1918b: 36.
 * Subspecies of edentatum: Forel, 1912c: 31; Borgmeier, 1923: 57.
 * Status as species: Mayr, 1887: 541; Dalla Torre, 1893: 25; Forel, 1895b: 112; Emery, 1911d: 43; Brown, 1958g: 208, 298; Kempf, 1972a: 105; Kugler, C. & Brown, 1982: 6 (in key); Almeida: 1986: 26; Almeida: 1987: 176; Brandão, 1991: 341; Bolton, 1995b: 187; Feitosa, 2015c: 97; Camacho, Franco, Branstetter, et al. 2022: 10.
 * Senior synonym of lobulifera: Brown, 1958g: 208; Kempf, 1972a: 105; Almeida, 1986: 26; Bolton, 1995b: 187.
 * Distribution: Brazil.
 * lobulifera. Ectatomma muticum var. lobulifera Forel, 1909a: 254 (w.) BRAZIL (Ceará).
 * Type-material: syntype workers (number not stated).
 * Type-locality: Brazil: Ceará (Diaz da Rocha).
 * Type-depositories: MHNG, NHMB.
 * Subspecies of muticum: Forel, 1911c: 286; Emery, 1911d: 43.
 * Subspecies of edentatum: Forel, 1912c: 31; Borgmeier, 1923: 57.
 * Junior synonym of muticum: Brown, 1958g: 208; Kempf, 1972a: 105; Almeida, 1986: 26; Bolton, 1995b: 187.

References based on Global Ant Biodiversity Informatics

 * Antoniazzi R., R. N. S. L. Garoo, W. Dattilo, S. P. Ribeiro, and F. S. Neves. 2019. Ant species richness and interactions in canopies of two distinct successional stages in a tropical dry forest. The Science of Nature 106: 20
 * Araujo L. M., and G. W. Fernandes. 2003. Altitudinal patterns in a tropical ant assemblage and variation in species richness between habitats. Lundiana 4(2): 103-109.
 * 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.
 * Brown W. L., Jr. 1958. Contributions toward a reclassification of the Formicidae. II. Tribe Ectatommini (Hymenoptera). Bulletin of the Museum of Comparative Zoology 118: 173-362.
 * Emery C. 1911. Hymenoptera. Fam. Formicidae. Subfam. Ponerinae. Genera Insectorum 118: 1-125.
 * Forel A. 1912. Formicides néotropiques. Part I. Annales de la Société Entomologique de Belgique. 56: 28-49.
 * Kempf, W.W. 1972. Catalago abreviado das formigas da regiao Neotropical (Hym. Formicidae) Studia Entomologica 15(1-4).
 * Neves F. S., K. S. Queiroz-Dantas, W. D. da Rocha, and J. H. C. Delabie. 2013. Ants of Three Adjacent Habitats of a Transition Region Between the Cerrado and Caatinga Biomes: The Effects of Heterogeneity and Variation in Canopy Cover. Neotrop Entomol 42: 258268.
 * Pereira J. C., J. H. C. Delabie, L. R. S. Zanette, and Y. Quinet. 2014. Studies on an Enigmatic Blepharidatta Wheeler Population (Hymenoptera: Formicidae) from the Brazilian Caatinga. Sociobiology 61(1): 52-59.
 * 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.
 * Soares I. M. F., A. A. dos Santos, D. Gomes, J. H. C. Delabie, and I. F. Castro. 2003. Ant communities (Hymenoptera: Formicidae) in an island of montane rain forest in the Caatinga region (Ba, Brazil). Acta Biologica Leopoldensia 25(2): 197-204.
 * Ulyssea M. A., and C. R. F. Brandao. 2013. Ant species (Hymenoptera, Formicidae) from the seasonally dry tropical forest of northeastern Brazil: a compilation from field surveys in Bahia and literature records. Revista Brasileira de Entomologia 57(2): 217224.
 * Ulysséa M. A., C. R. F. Brandão. 2013. Ant species (Hymenoptera, Formicidae) from the seasonally dry tropical forest of northeastern Brazil: a compilation from field surveys in Bahia and literature records. Revista Brasileira de Entomologia 57(2): 217-224.