This is a member of the micrommatum group and is very similar to micrommatum and panamense (Baroni Urbani and de Andrade 2003). It was synonymized under micrommatum by Brown (1980) and resurrected by Baroni Urbani and de Andrade.
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.
Borgmeier, T. 1957. Myrmecologische Studien, I. Ann. Acad. Brasil. Cienc. 29:103-128.
Brown, W. L., Jr. 1980 ("1979"). A remarkable new species ofProceratium, with dietary and other notes on the genus (Hymenoptera:Formicidae). Psyche (Camb.) 86:337-346.
Found most commonly in these habitats: 9 times found in montane wet forest, 4 times found in cloud forest, 1 times found in mature dry forest, 3 times found in mature wet forest, 1 times found in Montane forest, 1 times found in 2nd growth forest, 1 times found in Puesto2,150g,10m, 1 times found in stream gully in dry scrub, 1 times found in 2nd growth riparian forest, 1 times found in dry forest
Collected most commonly using these methods or in the following microhabitats: 11 times Winkler, 9 times Mini Winkler, 3 times miniWinkler, 1 times Berlese
Elevations: collected from 20 - 1600 meters, 879 meters average