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Species: Neivamyrmex gibbatus

Classification:
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Taxonomic History (provided by Barry Bolton, 2014)

Neivamyrmex gibbatus Borgmeier, 1953 PDF: 45, fig. 30 (w.q.) COSTA RICA. Neotropic. AntCat AntWiki

Taxonomic history

See also: Borgmeier, 1955 PDF: 347.

Distribution:

Costa Rica (type locality) to Ecuador, Guianas, Brazil (AC). Costa Rica: Atlantic slope and southern Pacific slope.

Biology:

Natural History:

I have collected this species five times, always as nocturnal columns on the ground surface in wet forest habitats. The four Costa Rican collections are from sea level to 500m elevation; a Venezuelan collection was from 1100m. In one of the Costa Rican raiding columns there was ant prey: Tapinoma, Pheidole, and Strumigenys smithii.

On the Barva transect in Costa Rica I saw a column that emerged from dense vegetation onto a trail, moved about 5m along the trail and across a log, and disappeared into dense vegetation on the other side. It was a dense swath of ants, perhaps 5-10cm wide, moving rapidly. I watched the continuously flowing column for several minutes, and it was obvious that the colony was very large. At times the trail seemed to scintillate, and when I looked closely I discovered that I was seeing the sparkle of light reflecting from the wings of hundreds of wasps in the Diapriidae. Lubomir Masner later identified these as a species of Acanthopria. Hundreds at a time were within my field of vision, running with the workers.

Specimen Habitat Summary

Found most commonly in these habitats: 2 times found in lowland wet forest, 2 times found in montane wet forest, 1 times found in wet forest, 1 times found in PPBio Grid, L-O 08, 1 times found in tropical dry forest

Collected most commonly using these methods or in the following microhabitats: 4 times search, 1 times Malaise, 1 times Pitfall 08

Elevations: collected from 10 - 1200 meters, 541 meters average

Type specimens: paratype of Neivamyrmex gibbatus: casent0902648; syntype of Neivamyrmex gibbatus: casent0905728

(-1 examples)



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