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Species: Odontomachus ruginodis   Smith, 1937 

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Taxonomic History (provided by Barry Bolton, 2017)

Odontomachus haematodus var. ruginodis Smith, 1937 PDF: 828 (w.q.) BAHAMAS. Neotropic. AntCat AntWiki HOL

Taxonomic history

[First available use of Odontomachus haematodes insularis ruginodis Wheeler, 1905c PDF: 82; unavailable name.].
Raised to species: Wilson, 1964b PDF: 4.
Junior synonym of Odontomachus brunneus: Brown, 1976a: 103.


   Species is introduced to: Afrotropical, Indomalaya, Malagasy, Nearctic, Oceania, Palearctic bioregions.

Nearctic Region: Alabama, Florida, Missouri
Neotropical Region: Atlántida, Bahamas, Barbados, Basse-Terre, Bermuda, Bolivia, Brazil, Colombia, Colon, Comayagua, Costa Rica, Cuba, Distrito Nacional, Dominican Republic, Duarte, Ecuador, El Progreso, El Salvador, Francisco Morazán, Galapagos Islands, Gracias a Dios, Grande-Terre, Guadeloupe, Guanacaste, Guantanamo, Guatemala, Heredia, Honduras, Islas de la Bahía, Jalisco, Jamaica, Jinotega, La Vega, Loreto, Magdalena, Maria Trinidad Sanchez, Marie Galante, Napo, Nicaragua, Oaxaca, Panama, Panamá, Peru, Petén, Puerto Rico, Puntarenas, Quintana Roo, Región Autónoma del Atlántico Sur, San Salvador, Santa Cruz, Santiago de Cuba, Sonsonate, Trelawny, Valle de Cauca, Valle del Cauca, Yucatán, Zacapa

Distribution Notes:

West Indies, USA (Florida), Costa Rica. Costa Rica: coastal lowlands of the Atlantic coast and Osa Peninsula; La Selva; Hitoy Cerere (100m).


Natural History:

O. ruginodis is known to occupy coastal areas in South Florida (Deyrup et al. 1985). I have made the following collections of ruginodis in Costa Rica:

Heredia: La Selva: Collected under epiphyte mat in treefall. Tree down, long-since leafless, but trunk and branches still above surrounding veg., scattered moss/epiphyte clumps still intact.

Limon: Hitoy Cerere: Primary wet forest. Nesting in rotten log.

Limon: 25km NW Cahuita: Coconut strand along beach edge.

Puntarenas: Corcovado, San Pedrillo: foragers on ground at beach edge.

Puntarenas: Corcovado, Sirena: clearing near beach. A colony was in a bed of closely-packed plant cuttings. There were wide, flat-bottomed chambers 2cm below the soil surface in a plastic bag full of potting soil. There was a short cone built on the surface of the soil. Cavities between the bases of adjacent bags contained pupae and tending adults.

Puntarenas: Corcovado, Llorona: collecting on one of the rock islands offshore, separated from land even at low tide, vegetated on top.


Brown, W. L., Jr. 1976. Contributions toward a reclassification of the Formicidae. Part VI. Ponerinae, tribe Ponerini, subtribe Odontomachiti. Section A. Introduction, subtribal characters. Genus Odontomachus. Studia Entomol. 19:67-171.

Deyrup, M., J. Trager, N. Carlin 1985. The genus Odontomachus in the southeastern United States (Hymenoptera: Formicidae). Entomological News 96:188-195.

Smith, M. R. 1937(1936). The ants of Puerto Rico. Journal of Agriculture of the University of Puerto Rico 20:819-875.

Wheeler, W. M. 1905. The ants of the Bahamas, with a list of the known West Indian species. Bull. Am. Mus. Nat. Hist. 21:79-135.

Specimen Habitat Summary

Found most commonly in these habitats: 9 times found in wet forest canopy, 7 times found in tropical rainforest, 5 times found in old cacao plantation, 7 times found in urban, 3 times found in disturbed broadleaf moist forest, 2 times found in disturbed semi-moist woodland, 5 times found in rainforest, 2 times found in 2º tropical rainforest, 1 times found in coffee finca, 5 times found in garden, ...

Found most commonly in these microhabitats: 11 times at bait, 8 times ex sifted leaf litter, 1 times mercury vapor lamp, 4 times ground foragers, 3 times ex rotten log, 2 times base of small tree, 0 times leaf litter, 4 times epiphytic material, Pentaclethra macroloba, 4 times sifted litter (leaf mold, rotten wood), 3 times Malaise trap, 2 times forager under rock, ...

Collected most commonly using these methods: 11 times hand collecting, 13 times search, 11 times Baiting, 12 times Berlese, 12 times Fogging, 5 times blacklight, 5 times Winkler, 2 times MiniWinkler, 3 times Ground forager, 4 times Malaise, 2 times MaxiWinkler, ...

Elevations: collected from 1 - 1790 meters, 184 meters average

Type specimens:

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