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Species: Neivamyrmex impudens

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

Eciton (Acamatus) impudens Mann, 1922 PDF: 19, fig. 9 (w.) HONDURAS. Neotropic. AntCat AntWiki

Taxonomic history

Combination in Neivamyrmex: Borgmeier, 1953 PDF: 10.
See also: Borgmeier, 1955 PDF: 381.

Distribution:

Honduras (type locality), Costa Rica. Costa Rica: Atlantic lowlands.

Biology:

Natural History:

I know this species from two collections from La Selva Biological Station, in lowland rainforest. Both were nocturnal columns. In one case I saw a very fast, tight column running with brood. The exposed part of the column was 10-20m long. It emerged from a simple hole in ground under leaf litter, at which point there was a large pile of brood. Workers were transporting this brood 10-20m to a point between two buttresses, where they disappeared into a simple hole. The second observation was also a rapid, dense column. It was crossing the trail to river station near the Sura at 2300hrs. The column was descending from as high as I could see in the vegetation on one side, crossing the trail, and ascending into the vegetation on the other side. The steady stream of workers never diminished during the half hour I watched. None of the workers appeared to be carrying anything substantial, although I occasionally saw one with a tiny white object, perhaps an egg or small larva. Some workers were uniformly reddish, but others were reddish with contrasting bright yellow abdomens.

Specimen Habitat Summary

Found most commonly in these habitats: 1 times found in moist forest edge, 1 times found in moist forest, 1 times found in 2ยบ lowland rainforest, 1 times found in CCC 550m., 1 times found in SOR 750m.

Collected most commonly using these methods or in the following microhabitats: 4 times search, 2 times Lighttrap, 1 times light

Elevations: collected from 40 - 930 meters, 175 meters average

Type specimens: syntype of Neivamyrmex impudens: casent0911153

(-1 examples)



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