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Species: Odontomachus opaciventris   Forel, 1899 

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Taxonomic History (provided by Barry Bolton, 2023)

Odontomachus haematodus r. opaciventris Forel, 1899b PDF: 21, pl. 1, fig. 14 (w.q.) MEXICO (Tabasco), GUATEMALA, COSTA RICA, PANAMA, COLOMBIA. Neotropic. Primary type information: Type-material: syntype workers, syntype queens (numbers not stated). Type-localities: Mexico: Tabasco, Teapa (H.H. Smith), Guatemala: Cerro Zuníl, San Isidro, Pantaleon, and Mirandella (Champion), Costa Rica: Tuis (Pittier), Panama: Bugaba, Volcan de Chiriqui (Champion), Colombia: San Antonio, Don Diego (A. Forel). Type-depository: MHNG. AntCat AntWiki HOL

Taxonomic history

// Distribution


  Geographic regions (According to curated Geolocale/Taxon lists):
    Americas: Brazil, Colombia, Costa Rica, Ecuador, Guatemala, Honduras, Mexico, Panama
  Biogeographic regions (According to curated Bioregion/Taxon lists):

Distribution Notes:

Southern Mexico to Colombia (Brown 1976). Costa Rica: common in uplands of Cordillera de Tilaran and Cordillera Volcanica Central; the common species in Monteverde; less common to sea level on Atlantic slope (La Selva) and 500m on Pacific slope (Carara).


Natural History:

In Monteverde the diurnal foragers are common, and on warm days alate queens commonly fly into buildings. Nests are in rotten wood on the ground. Workers have been observed harvesting Calathea seeds. The species is rare at La Selva.


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.

Forel, A. 1899. Formicidae. Biol. Cent.-Am. Hym. 3:1-160.

Specimen Habitat Summary

Found most commonly in these habitats: 8 times found in wet forest, 8 times found in rainforest, 6 times found in montane wet forest, 6 times found in lowland rainforest, 4 times found in cloud forest, 2 times found in mature wet forest, 2 times found in tall wet forest, 1 times found in mature moist forest, 1 times found in rainforest/pasture edge, mature rainforest on steep hillside, 2 times found in mixed hardwood forest, ...

Found most commonly in these microhabitats: 7 times Malaise trap, 6 times at bait, 4 times strays, 5 times ex sifted leaf litter, 2 times nest in dead wood, 1 times soil mound nest at base of tree, 1 times nest under epiphyte mat on fallen log, 2 times beating vegetation, 1 times beating veg., 2 times bajo de M/04, 1 times on dead wood, ...

Collected most commonly using these methods: 14 times search, 7 times Malaise, 4 times Baiting, 3 times Beating, 3 times flight intercept trap, 2 times Malaise trap, 2 times miniWinkler, 2 times bait, 2 times Winkler, 2 times Blacklight, 1 times at light, ...

Elevations: collected from 30 - 2000 meters, 809 meters average

Collect Date Range: collected between 1955-03-27 00:00:00.0 and 2022-01-09 00:00:00.0

Type specimens: syntype of Odontomachus haematodus opaciventris: casent0900586; syntype of Odontomachus opaciventris: casent0907435; type of Odontomachus haematodus opaciventris: focol0687

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