Discothyrea horni

Discothyrea horni
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Hymenoptera
Family:	Formicidae
Subfamily:	Proceratiinae
Tribe:	Proceratiini
Genus:	Discothyrea
Species:	D. horni
Binomial name
Discothyrea horni Menozzi, 1927 Specimen labels

Identification

Chaul (2020) reporting on differences between characters of Discothyrea bobi and D. horni, noted the following about this species: nine or eight antennal segments; integument entirely opaque; well-defined propodeal corners.

Distribution

Central America and northern South America.

Latitudinal Distribution Pattern

Latitudinal Range: 19.7261° to -0.6364°.

North Temperate	North Subtropical	Tropical	South Subtropical	South Temperate

• Source: AntMaps

Distribution based on Regional Taxon Lists

Neotropical Region: Costa Rica (type locality), Ecuador, Guatemala, Honduras, Mexico, Panama, Venezuela.

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.

Nomenclature

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

• horni. Discothyrea horni Menozzi, 1927c: 270, fig. 1 (q.) COSTA RICA.
  • Type-material: holotype queen.
  • Type-locality: Costa Rica: San José (H. Schmidt).
  • Type-depository: DEIB.
  • Menozzi, 1931b: 261 (w.).
  • Status as species: Menozzi, 1931b: 261; Weber, 1939a: 99 (in key); Borgmeier, 1949: 206 (in key); Smith, M.R. & Wing, 1955: 107; Brown, 1958g: 253; Kempf, 1972a: 97; Bolton, 1995b: 171; Sosa-Calvo & Longino, 2008: 226; Branstetter & Sáenz, 2012: 263; Escárraga, Longino & Sosa-Calvo, 2019: 686; Chaul, 2020: 207.
  • Distribution: Colombia, Costa Rica, Guatemala.

References

• 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).
• Menozzi, C. 1927c. Formiche raccolte dal Sig. H. Schmidt nei dintorni di San José di Costa Rica. Entomol. Mitt. 16: 266-277 (page 270, fig. 1 queen described)
• Menozzi, C. 1931b. Contribuzione alla conoscenza del "microgenton" di Costa Rica. III. Hymenoptera - Formicidae. Boll. Lab. Zool. Gen. Agrar. R. Sc. Super. Agric. 25: 259-274 (page 261, worker described)
• 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

• Achury R., and A.V. Suarez. 2017. Richness and composition of ground-dwelling ants in tropical rainforest and surrounding landscapes in the Colombian Inter-Andean valley. Neotropical Entomology https://doi.org/10.1007/s13744-017-0565-4
• Ahuatzin D. A., E. J. Corro, A. Aguirre Jaimes, J. E. Valenzuela Gonzalez, R. Machado Feitosa, M. Cezar Ribeiro, J. Carlos Lopez Acosta, R. Coates, W. Dattilo. 2019. Forest cover drives leaf litter ant diversity in primary rainforest remnants within human-modified tropical landscapes. Biodiversity and Conservation 28(5): 1091-1107.
• 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.
• Dattilo W. et al. 2019. MEXICO ANTS: incidence and abundance along the Nearctic-Neotropical interface. Ecology https://doi.org/10.1002/ecy.2944
• Fernández F., and T. M. Arias-Penna. 2008. Las hormigas cazadoras en la región Neotropical. Pp. 3-39 in: Jiménez, E.; Fernández, F.; Arias, T.M.; Lozano-Zambrano, F. H. (eds.) 2008. Sistemática, biogeografía y conservación de las hormigas cazadoras de Colombia. Bogotá: Instituto de Investigación de Recursos Biológicos Alexander von Humboldt, xiv + 609 pp.
• Fernández, F. and S. Sendoya. 2004. Lista de las hormigas neotropicales. Biota Colombiana Volume 5, Number 1.
• Kempf, W.W. 1972. Catalago abreviado das formigas da regiao Neotropical (Hym. Formicidae) Studia Entomologica 15(1-4).
• Longino J. T., and R. K. Colwell. 2011. Density compensation, species composition, and richness of ants on a neotropical elevational gradient. Ecosphere 2(3): 16pp.
• Longino, J.T. 2010. Personal Communication. Longino Collection Database
• Longino, J.T. and N. M. Nadkarni. 1990. A comparison of ground and canopy leaf litter ants (Hymenoptera: Formicidae) in a Neotopical Montane Forest. Psyche 97:81-93.
• Menozzi C. 1927. Formiche raccolte dal Sig. H. Schmidt nei dintorni di San José di Costa Rica. Entomologische Mitteilungen. Berlin-Dahlem. 16: 266-277.
• Menozzi C. 1931. Contribuzione alla conoscenza del microgenton di Costa Rica. III. Hymenoptera - Formicidae. Bollettino del Laboratorio di Zoologia Generale e Agraria della Reale Scuola Superiore d'Agricoltura. Portici. 25: 259-274.
• Mertl A. L., J. F. A. Traniello, K. Ryder Wilkie, and R. Constantino. 2012. Associations of two ecologically significant social insect taxa in the litter of an amazonian rainforest: is there a relationship between ant and termite species richness? Psyche doi:10.1155/2012/312054
• Mirmecofauna de la reserva ecologica de San Felipe Bacalar
• Nascimento Santos M., J. H. C. Delabie, and J. M. Queiroz. 2019. Biodiversity conservation in urban parks: a study of ground-dwelling ants (Hymenoptera: Formicidae) in Rio de Janeiro City. Urban Ecosystems https://doi.org/10.1007/s11252-019-00872-8
• Patrick M., D. Fowler, R. R. Dunn, and N. J. Sanders. 2012. Effects of Treefall Gap Disturbances on Ant Assemblages in a Tropical Montane Cloud Forest. Biotropica 44(4): 472–478.
• Philpott, S.M., P. Bichier, R. Rice, and R. Greenberg. 2007. Field testing ecological and economic benefits of coffee certification programs. Conservation Biology 21: 975-985.
• Rojas Fernandez P. 2010. Capítulo 24. Hormigas (Insecta: Hymenoptera: Formicidae). In: Diversidad Biológica de Veracruz. Volumen Invertebrados. CONABIO-Gobierno del Estado de Veracruz.
• Smith M. R., and M. W. Wing. 1955. Redescription of Discothyrea testacea Roger, a little-known North American ant, with notes on the genus (Hymenoptera: Formicidae). Journal of the New York Entomological Society 62: 105-112.
• Weber N. A. 1939. New ants of rare genera and a new genus of ponerine ants. Ann. Entomol. Soc. Am. 32: 91-104.