Discothyrea isthmica

Identification
Chaul (2020) reporting on differences between characters of Discothyrea bobi and D. isthmica, noted the following about this species: nine antennal segments; overall smaller (see measurements of D. bobi).

Distribution based on Regional Taxon Lists
Neotropical Region: Panama, Venezuela.

Nomenclature

 * . Discothyrea isthmica Weber, 1940b: 78 (q.) PANAMA.
 * Type-material: holotype queen.
 * Type-locality: Panama: Canal Zone, Barro Colorado I., 25.vii.1938, no. 139 (447) (E.C. Williams).
 * Type-depository: MCZC.
 * Status as species: Borgmeier, 1949: 206 (in key); Smith, M.R. & Wing, 1955: 107; Brown, 1958g: 253; Kempf, 1972a: 97; Bolton, 1995b: 171; Escárraga, Longino & Sosa-Calvo, 2019: 687; Chaul, 2020: 207.
 * Distribution: Panama.

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.
 * 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.
 * 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.
 * 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. 1940. Rare ponerine genera in Panama and British Guiana (Hym.: Formicidae). Psyche (Camb.) 47: 75-84.