Neivamyrmex iridescens

This species is only known from queens and/or workers and has yet to be associated with males.

Identification
Jack Longino:

Posterior face of propodeum strongly concave, distinctly indented below a rounded juncture of dorsal and posterior faces; eye with distinct convex cornea; head smooth and with sparse small puncta, distinctly shiny; surface of body red brown with violaceous reflections.

Similar species: Neivamyrmex alfaroi.

Distribution based on Regional Taxon Lists
Neotropical Region: Costa Rica, French Guiana, Guyana, Suriname, Venezuela.

Biology
Jack Longino: I know this species from two collections. I collected from a column at 1900hrs at Sirena in Corcovado National Park. Ronald Vargas, of Project ALAS, collected from a column at La Selva Biological Station.

Nomenclature

 * . Neivamyrmex iridescens Borgmeier, 1950c: 623, figs. 1-5 (w.) GUYANA, SURINAME.
 * Type-material: holotype worker, 4 paratype workers.
 * Type-locality: holotype Guyana (“British Guiana”): Oronoque River, 2°42’, 1.viii.1938, no. 621 (N.A. Weber); paratypes: 2 workers with same data, 2 workers Suriname: Courantyne River, 9.vii.1936, no. 5491 (N.A. Weber).
 * Type-depositories: MZSP (holotype); MCZC, MZSP (paratypes) (perhaps also AMNH).
 * Status as species: Borgmeier, 1955: 540 (redescription); Kempf, 1972a: 155; Watkins, 1976: 13 (in key); Bolton, 1995b: 289; DuBois, 1998a: 138 (material in copal); Palacio, 1999: 155 (in key); Palacio, 2019: 621.
 * Distribution: Bolivia, Colombia, Costa Rica, Guyana, Panama, Suriname, Venezuela.

References based on Global Ant Biodiversity Informatics

 * Boer P. 2019. Ants of Curacao, species list. Accessed on January 22 2019 at http://www.nlmieren.nl/websitepages/SPECIES%20LIST%20CURACAO.html
 * Borgmeier T. 1953. Vorarbeiten zu einer Revision der neotropischen Wanderameisen. Studia Entomologica 2: 1-51.
 * Borgmeier T. 1955. Die Wanderameisen der neotropischen Region. Studia Entomologica 3: 1-720.
 * Dominguez D. F., M. Bustamante, R. Albuja, A. Castro, J. E. Lattke, and D. A. Donoso. 2016. Codigos de barras (COI barcodes) para hormigas (Hymenoptera: Formicidae) de los bosques secos del sur del Ecuador. Ecosistemas 25(2): 76-78.
 * Esteves F. A., C. R. F. Brandao, and L. P. Prado. 2011. The type specimens of Dorylomorph ants (Hymenoptera, Formicidae: Aenictinae, Ecitoninae, Cerapachyinae, Leptanilloidinae) deposited in the Museu de Zoologia da Universidade de Sao Paulo, Brazil. Papeis Avulsos de Zoologia 51(22): 341-397.
 * Fernández F., and E. E. Palacio. 1995. Hormigas de Colombia IV: nuevos registros de géneros y especies. Caldasia 17: 587-596.
 * Fernández, F. and S. Sendoya. 2004. Lista de las hormigas neotropicales. Biota Colombiana Volume 5, Number 1.
 * Franco W., N. Ladino, J. H. C. Delabie, A. Dejean, J. Orivel, M. Fichaux, S. Groc, M. Leponce, and R. M. Feitosa. 2019. First checklist of the ants (Hymenoptera: Formicidae) of French Guiana. Zootaxa 4674(5): 509-543.
 * Groc S., J. H. C. Delabie, F. Fernandez, F. Petitclerc, B. Corbara, M. Leponce, R. Cereghino, and A. Dejean. 2017. Litter-dwelling ants as bioindicators to gauge the sustainability of small arboreal monocultures embedded in the Amazonian rainforest. Ecological Indicators 82: 43-49.
 * Kempf, W.W. 1972. Catalago abreviado das formigas da regiao Neotropical (Hym. Formicidae) Studia Entomologica 15(1-4).
 * Lattke J. E., and M. Velez, and N. Aguirre. 2016. Survey of ants in dry forests of Southwestern Ecuador (Hymenoptera: Formicidae). Sociobiology 63(3): 909-918.
 * O'Donnell S., J. Lattke, S. Powell, and M. Kaspari. 2007. Army ants in four forests: geographic variation in raid rates and species composition. Journal of Animal Ecology 76: 580-589.
 * Rodriguez E. R., and J. E. Lattke. 2012. Diversidad de hormigas en un gradiente altitudinal de la cordillera de la Costa, Venezuela. Boletín de la Sociedad Entomológica Aragonesa (S.E.A.) 50: 295?304.
 * Watkins J. F., II 1976. The identification and distribution of New World army ants (Dorylinae: Formicidae). Waco, Texas: Baylor University Press, 102 pp