Acromyrmex nigrosetosus

Acromyrmex nigrosetosus
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Hymenoptera
Family:	Formicidae
Subfamily:	Myrmicinae
Tribe:	Attini
Genus:	Acromyrmex
Species:	A. nigrosetosus
Binomial name
Acromyrmex nigrosetosus (Forel, 1908) Specimen labels
Synonyms
Acromyrmex laticeps garbei Santschi, 1925 Acromyrmex nigrosetosa pulchella Santschi, 1925 Atta aspersa dimidiata Forel, 1911

Distribution

Distribution based on Regional Taxon Lists

Neotropical Region: Bolivia, Brazil (type locality), Paraguay.

Distribution based on AntMaps

Distribution based on AntWeb specimens

Check data from AntWeb

Castes

• The following images are provided by AntWeb
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  Specimen labels

Nomenclature

The following information is derived from Barry Bolton's Online Catalogue of the Ants of the World.

• nigrosetosus. Atta (Acromyrmex) nigrosetosa Forel, 1908c: 350 (s.w.) BRAZIL (São Paulo).
  • Santschi, 1922b: 361 (q.).
  • Combination in Acromyrmex: Mann, 1916: 454.
  • Subspecies of laticeps: Santschi, 1925a: 382; Borgmeier, 1927c: 132; Weber, 1938b: 204; Gonçalves, 1961: 146; Kempf, 1972a: 12; Bolton, 1995b: 56.
  • Status as species: Forel, 1911c: 290; Forel, 1912e: 181; Mann, 1916: 454; Santschi, 1922b: 361; Emery, 1924d: 350; Wild, 2007b: 30.
  • Senior synonym of dimidiata: Gonçalves, 1961: 146; Kempf, 1972a: 12; Bolton, 1995b: 56.
  • Senior synonym of garbei: Gonçalves, 1961: 146; Kempf, 1972a: 13; Bolton, 1995b: 56.
  • Senior synonym of pulchella: Gonçalves, 1961: 146; Kempf, 1972a: 13; Bolton, 1995b: 56.
• dimidiata. Atta (Acromyrmex) aspersa subsp. dimidiata Forel, 1911c: 292 (w.m.) BRAZIL (São Paulo).
  • Combination in Acromyrmex: Emery, 1924d: 348.
  • Subspecies of aspersus: Luederwaldt, 1918: 38; Emery, 1924d: 348.
  • Subspecies of laticeps: Santschi, 1925a: 392 (in key); Borgmeier, 1927c: 132.
  • Junior synonym of nigrosetosus: Gonçalves, 1961: 146; Kempf, 1972a: 12; Bolton, 1995b: 55.
• garbei. Acromyrmex laticeps st. garbei Santschi, 1925a: 381 (w.) BRAZIL (Mato Grosso).
  • [Also described as new, as subspecies of nigrosetosus, by Santschi, 1925b: 18.]
  • Subspecies of laticeps: Borgmeier, 1927c: 132.
  • Junior synonym of nigrosetosus: Gonçalves, 1961: 146; Kempf, 1972a: 13; Bolton, 1995b: 55.
• pulchella. Acromyrmex nigrosetosa st. pulchella Santschi, 1925b: 18 (w.) BRAZIL (Minas Gerais).
  • As unavailable (infrasubspecific) name: Santschi, 1925a: 383; Borgmeier, 1927c: 133.
  • Junior synonym of nigrosetosus: Gonçalves, 1961: 146; Kempf, 1972a: 13; Bolton, 1995b: 56.

Description

Karyotype

• 2n = 38, karyotype = 12M + 14SM + 10ST + 2A (Brazil) (de Castro et al., 2020).

References

• de Castro, C.P.M., Cardoso, D.C., Micolino, R., Cristiano, M.P. 2020. Comparative FISH-mapping of TTAGG telomeric sequences to the chromosomes of leafcutter ants (Formicidae, Myrmicinae): is the insect canonical sequence conserved? Comparative Cytogenetics 14(3): 369–385 (doi:10.3897/CompCytogen.v14i3.52726).
• Gonçalves, C. R. 1961. O genero Acromyrmex no Brasil (Hym. Formicidae). Stud. Entomol. 4: 113-180.
• Mann, W. M. 1916. The Stanford Expedition to Brazil, 1911, John C. Branner, Director. The ants of Brazil. Bull. Mus. Comp. Zool. 60: 399-490.

References based on Global Ant Biodiversity Informatics

• Fernández, F. and S. Sendoya. 2004. Lista de las hormigas neotropicales. Biota Colombiana Volume 5, Number 1.
• Forel A. 1908. Ameisen aus Sao Paulo (Brasilien), Paraguay etc. gesammelt von Prof. Herm. v. Ihering, Dr. Lutz, Dr. Fiebrig, etc. Verhandlungen der Kaiserlich-Königlichen Zoologisch-Botanischen Gesellschaft in Wien 58: 340-418.
• Forel A. 1911. Ameisen des Herrn Prof. v. Ihering aus Brasilien (Sao Paulo usw.) nebst einigen anderen aus Südamerika und Afrika (Hym.). Deutsche Entomologische Zeitschrift 1911: 285-312.
• Forel A. 1912. Formicides néotropiques. Part II. 3me sous-famille Myrmicinae Lep. (Attini, Dacetii, Cryptocerini). Mémoires de la Société Entomologique de Belgique. 19: 179-209.
• Gonçalves C. R. 1961. O genero Acromyrmex no Brasil (Hym. Formicidae). Stud. Entomol. 4: 113-180.
• Kempf, W.W. 1972. Catalago abreviado das formigas da regiao Neotropical (Hym. Formicidae) Studia Entomologica 15(1-4).
• Klingenberg, C. and C.R.F. Brandao. 2005. The type specimens of fungus growing ants, Attini (Hymenoptera, Formicidae, Myrmicinae) deposited in the Museu de Zoologia da Universidade de Sao Paulo, Brazil. Papeis Avulsos de Zoologia 45(4):41-50
• Kusnezov N. 1953. La fauna mirmecológica de Bolivia. Folia Universitaria. Cochabamba 6: 211-229.
• Luederwaldt H. 1918. Notas myrmecologicas. Rev. Mus. Paul. 10: 29-64.
• Mayhe-Nunes A. J., and K. Jaffe. 1998. On the biogeography of attini (Hymenoptera: Formicidae). Ecotropicos 11(1): 45-54.
• 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.
• Rosa da Silva R. 1999. Formigas (Hymenoptera: Formicidae) do oeste de Santa Catarina: historico das coletas e lista atualizada das especies do Estado de Santa Catarina. Biotemas 12(2): 75-100.
• Santschi F. 1922. Myrmicines, dolichodérines et autres formicides néotropiques. Bulletin de la Société Vaudoise des Sciences Naturelles 54: 345-378.
• Santschi F. 1925. Nouvelles fourmis brésiliennes. Annales de la Société Entomologique de Belgique. 64: 5-20.
• Santschi F. 1925. Revision du genre Acromyrmex Mayr. Revue Suisse de Zoologie 31: 355-398.
• Ulloa Chacon P., M. L. Baena, J. Bustos, R. C. Aldana, J. A. Aldana, and M. A. Gamboa. 1996. Fauna de hormigas del departamento del Valle del Cauca (Colombia). Pp. 413-451. In Andrade-C M. G., G. Amat Garcia, and F. Fernandez. Insectoss de Colombia, estudios escogidos.
• Wild, A. L. "A catalogue of the ants of Paraguay (Hymenoptera: Formicidae)." Zootaxa 1622 (2007): 1-55.