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Panama (type locality), Costa Rica. Costa Rica: montane regions throughout the country.
The genus Proceratium comprises mostly rare and cryptic ants of leaf litter and soil, distributed throughout the world in both tropical and temperate zones (Baroni Urbani and de Andrade 2003). Some species of the genus are known to be specialized predators of spider eggs (Brown 1980).
In Costa Rica this species is known from cloud forest. It is encountered as isolated workers in sifted leaf litter samples from the forest floor.
Baroni Urbani, C., and M. L. de Andrade. 2003. The ant genus Proceratium in the extant and fossil record (Hymenoptera: Formicidae). Museo Regionale di Scienze Naturali-Torino, Torino, Italy.
Brown, W. L., Jr. 1980 ("1979"). A remarkable new species of Proceratium, with dietary and other notes on the genus (Hymenoptera: Formicidae). Psyche (Camb.) 86:337-346.
Found most commonly in these habitats: 2 times found in montane wet forest, 1 times found in rainforest, 2 times found in wet forest.
Found most commonly in these microhabitats: 1 times sifted litter (leaf mold, rotten wood), 2 times Hojarasca, 2 times ex sifted leaf litter.
Collected most commonly using these methods: 1 times 6L sifted litter, extracted in Winkler sack over 36 hours, 2 times Mini Winkler, 2 times Winkler.
Elevations: collected from 960 - 1190 meters, 1092 meters average
Collect Date Range: collected between 1985-08-22 and 2015-01-18
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