Discothyrea neotropica

Discothyrea neotropica
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Hymenoptera
Family:	Formicidae
Subfamily:	Proceratiinae
Tribe:	Proceratiini
Genus:	Discothyrea
Species:	D. neotropica
Binomial name
Discothyrea neotropica Bruch, 1919 Specimen Labels

Identification

Chaul (2020) reporting on differences between characters of Discothyrea bobi and D. neotropica, noted the following about this species: (worker) integument entirely opaque; lateral and vertexal margins of the head in full-face view relatively well-defined, head less round.

Keys including this Species

• Key to the Discothyrea of the Neotropical Atlantic Rainforest

Distribution

Latitudinal Distribution Pattern

Latitudinal Range: 8.025° to -34.583333°.

North Temperate	North Subtropical	Tropical	South Subtropical	South Temperate

• Source: AntMaps

Distribution based on Regional Taxon Lists

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

Distribution based on AntMaps

Distribution based on AntWeb specimens

Check data from AntWeb

Countries Occupied

Number of countries occupied by this species based on AntWiki Regional Taxon Lists. In general, fewer countries occupied indicates a narrower range, while more countries indicates a more widespread species.

Estimated Abundance

Relative abundance based on number of AntMaps records per species (this species within the purple bar). Fewer records (to the left) indicates a less abundant/encountered species while more records (to the right) indicates more abundant/encountered species.

Castes

Worker

Chaul 2020, Figure 4. Discothyrea neotropica, worker (UFV-LABECOL-000067): A) head in full-face view; B) profile view of the body; C) dorsal view of the body; D) detail of antenna; E) mesosoma and petiole profile; F) anterior head profile view. Abbreviations: flm = frontal lamella; fl1-5 = flagellomeres 1 to 5; mssp = mesonotal spiracle; mtsp = metanotal spiracle; pe = pedicel; petsp = petiole spiracle; propsp = propodeal spiracle; sc = scape (only apical portion appearing). Scale bars are 0.1 in D, E and F and 0.2 in C. Scale bars are 0.1 mm in A, E and F and 0.2 mm in B and C.

Images from AntWeb

Worker. Specimen code casent0281861. Photographer Estella Ortega, uploaded by California Academy of Sciences.	Owned by NHMUK, London, UK.

Nomenclature

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

• neotropica. Discothyrea neotropica Bruch, 1919: 400, figs. (q.) ARGENTINA (Córdoba).
  • Type-material: holotype queen.
  • Type-locality: Argentina: Córdoba, Alta Gracia, ii.1918 (C. Bruch).
  • Type-depository: MLPA.
  • Status as species: Weber, 1939a: 99 (in key); Borgmeier, 1949: 206 (in key); Kusnezov, 1953b: 336; Smith, M.R. & Wing, 1955: 107; Borgmeier, 1957: 123; Brown, 1958g: 253; Kempf, 1972a: 97; Bolton, 1995b: 171; Wild, 2007b: 40; Feitosa, 2015c: 99; Escárraga, Longino & Sosa-Calvo, 2019: 687; Chaul, 2020: 207.
  • Distribution: Argentina, Brazil, Paraguay.

References

• Bruch, C. 1919. Descripción de una curiosa ponerina de Córdoba Discothyrea neotropica n. sp. Physis (B. Aires) 4: 400-402. (page 400, figs. queen described)
• Chaul, J.C.M. 2020. A new species of Discothyrea Roger (Hymenoptera: Formicidae) from the Brazilian Atlantic Rainforest. Boletim do Museu Paraense Emílio Goeldi. Ciências Naturais 15(1): 199-217 (doi:10.46357/bcnaturais.v15i1.266).
• Wazema, C.T., Nagatani, V.H., Souza-Campana, D.R.de, Magalhães, F.S., Sartorello, R., Morini, M.S.de C. 2020. What do different landscapes of the Atlantic Forest reveal about the occurrence of Discothyrea Roger, 1863 (Formicidae: Proceratiinae)? Biota Neotropica 20, e20201035 (doi:10.1590/1676-0611-bn-2020-1035).

References based on Global Ant Biodiversity Informatics

• Borgmeier T. 1949. Formigas novas ou pouco conhecidas de Costa Rica e da Argentina (Hymenoptera, Formicidae). Revista Brasileira de Biologia 9: 201-210.
• Borgmeier T. 1957. Myrmecologische Studien, I. Anais da Academia Brasileira de Ciencias 29: 103-128.
• Cuezzo, F. 1998. Formicidae. Chapter 42 in Morrone J.J., and S. Coscaron (dirs) Biodiversidad de artropodos argentinos: una perspectiva biotaxonomica Ediciones Sur, La Plata. Pages 452-462.
• Favretto M. A., E. Bortolon dos Santos, and C. J. Geuster. 2013. Entomofauna from West of Santa Catarina State, South of Brazil. EntomoBrasilis 6 (1): 42-63.
• Kempf W. W. 1978. A preliminary zoogeographical analysis of a regional ant fauna in Latin America. 114. Studia Entomologica 20: 43-62.
• Kempf, W.W. 1972. Catalago abreviado das formigas da regiao Neotropical (Hym. Formicidae) Studia Entomologica 15(1-4).
• Pacheco, R., R.R. Silva, M.S. de C. Morini, C.R.F. Brandao. 2009. A Comparison of the Leaf-Litter Ant Fauna in a Secondary Atlantic Forest with an Adjacent Pine Plantation in Southeastern Brazil. Neotropical Entomology 38(1):055-065
• 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.
• Rosumek, F.B., M.A. Ulyssea, B.C. Lopes, J. Steiner. 2008. Formigas de solo e de bromélias em uma área de Mata Atlântica, Ilha de Santa Catarina, sul do Brasil: Levantamento de espécies e novos registros. Revista Biotemas 21(4):81-89.
• Salinas P. J. 2010. Catalogue of the ants of the Táchira State, Venezuela, with notes on their biodiversity, biogeography and ecology (Hymenoptera: Formicidae: Amblyioponinae, Ponerinae, Proceratiinae, Myrmicinae, Ecitoninae, Formicinae, Pseudomyrmecinae, Dolichoderinae). Boletín de la SEA 47: 315-328.
• Silva R. R., R. S. Machado Feitosa, and F. Eberhardt. 2007. Reduced ant diversity along a habitat regeneration gradient in the southern Brazilian Atlantic Forest. Forest Ecology and Management 240: 61-69.
• Silva R.R., and C. R. F. Brandao. 2014. Ecosystem-Wide Morphological Structure of Leaf-Litter Ant Communities along a Tropical Latitudinal Gradient. PLoSONE 9(3): e93049. doi:10.1371/journal.pone.0093049
• Suguituru S. S., D. R. de Souza, C. de Bortoli Munhae, R. Pacheco, and M. S. de Castro Morini. 2011. Diversidade e riqueza de formigas (Hymenoptera: Formicidae) em remanescentes de Mata Atlântica na Bacia Hidrográfica do Alto Tietê, SP. Biota Neotrop. 13(2): 141-152.
• Suguituru S. S., M. Santina de Castro Morini, R. M. Feitosa, and R. Rosa da Silva. 2015. Formigas do Alto Tiete. Canal 6 Editora 458 pages
• Suguituru S. S., R. Rosa Silva, D. R. de Souza, C. de Bortoli Munhae, and M. Santina de Castro Morini. Ant community richness and composition across a gradient from Eucalyptus plantations to secondary Atlantic Forest. Biota Neotrop. 11(1): 369-376.
• Ulyssea M.A., C. E. Cereto, F. B. Rosumek, R. R. Silva, and B. C. Lopes. 2011. Updated list of ant species (Hymenoptera, Formicidae) recorded in Santa Catarina State, southern Brazil, with a discussion of research advances and priorities. Revista Brasileira de Entomologia 55(4): 603-–611.
• Vittar, F. 2008. Hormigas (Hymenoptera: Formicidae) de la Mesopotamia Argentina. INSUGEO Miscelania 17(2):447-466
• da Silva R. R., and R. Silvestre. 2000. Diversidade de formigas (Hymenoptera: Formicidae) em Seara, oeste de Santa Catarina. Biotemas 13(2): 85-105.
• da Silva, R.R. and R. Silvestre. 2004. Riqueza da fauna de formigas (Hymenoptera: Formicidae) que habita as camadas superficiais do solo em Seara, Santa Catarina. Papéis Avulsos de Zoologia (São Paulo) 44(1): 1-11