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|Raised to species: Brown, 1960a: 177.|
Prionopelta antillana: worker: anterior clypeal margin subangular, not evenly rounded; face medial to eye with distinct puncta and smooth shiny interspaces; propodeum possibly with shallower angle between dorsal and posterior faces (angle on P. amabilis seems sharper, more defined somehow); color often lighter orange yellow; dorsal pilosity in profile scruffier. Queen: larger, margins of head with more prominent projecting pilosity, with setae of varying lengths.
Prionopelta amabilis: worker: anterior clypeal margin evenly rounded; puncta on face very small and closely spaced, so that face does not look punctate and also looks somewhat duller than P. antillana; propodeal angle sharper and more defined; color often a bit duskier, amber; dorsal pilosity in profile a more even, shorter pile. Queen: smaller; margins of head with very even, very short pubescence.
I have very little material from beyond Central America. One collection from Rancho Grande, Venezuela, matches most characters of amabilis, but the face is shinier than Central American specimens. The puncta are still tiny, hardly visible. Specimens from the Santa Marta area of Colombia and the island of Guadeloupe are nearly identical and a close match to the types of P. antillana from St. Vincent. They match the characters of antillana workers described above, but the face puncta are more closely spaced relative to Central American specimens.
Found most commonly in these habitats: 2 times found in wet forest, 2 times found in wet trop. forest, 1 times found in Puesto1,293G. 10m., 2 times found in rainforest, 1 times found in Trampa#2,274G,10m., 1 times found in deciduous forest, 1 times found in humid sub-tropical inundated low forest, 1 times found in Primary wet forest, 1 times found in Puesto10,179g,10m, 1 times found in quercus geminata thicket, ...
Collected most commonly using these methods or in the following microhabitats: 9 times Winkler, 3 times Berlese, 1 times MaxiWinkler, 1 times miniWinkler, 1 times Search, 1 times berlesate
Elevations: collected from 50 - 750 meters, 400 meters average