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Species: Neivamyrmex sumichrasti   (Norton, 1868) 

Download Data

Taxonomic History (provided by Barry Bolton, 2019)

Eciton sumichrasti Norton, 1868a PDF: 62, pl. 2, fig. 7 (w.) MEXICO. AntCat AntWiki HOL

Taxonomic history

Mann, 1926 PDF: 99 (q.).
Combination in Neivamyrmex (Acamatus): Emery, 1894d PDF: 182 (in text); in Neivamyrmex: Borgmeier, 1955 PDF: 491.


  Geographic regions (According to curated Geolocale/Taxon lists):
    Americas: Costa Rica, Guatemala, Honduras, Mexico, Nicaragua
  Biogeographic regions (According to curated Bioregion/Taxon lists):

Distribution Notes:

Southern Mexico (type locality) to Costa Rica. Costa Rica: Cordillera de Talamanca to Cordillera de Tilar‡n at mid-elevation.


Natural History:

This species is a montane specialist, occurring in cloud forest habitats. It is common in the Monteverde area, from 1300m on the Pacific side, across the divide, and down to 900m on the Atlantic side. I also have records from Fila Cruces near San Vito, and the 1500m site (Finca Murillo) on the Barva transect. Raiding columns are normally seen during the day, and it may be a primarily diurnal forager.

Specimen Habitat Summary

Found most commonly in these habitats: 22 times found in cloud forest, 7 times found in montane wet forest, 2 times found in 2� cloud forest, 2 times found in lowland tropical rain forest, 3 times found in mature wet forest, 5 times found in ridgetop cloud forest, 1 times found in coffee finca, 4 times found in tropical moist forest, 3 times found in lowland wet forest, 2 times found in cloud forest clearing, ...

Found most commonly in these microhabitats: 23 times ex sifted leaf litter, 7 times column on ground, 11 times at bait, 1 times foraging trail, 3 times column on trail, 2 times white pan trap, 1 times Wet forest. Column on trail., 1 times Neivamyrmex raid, 1 times diurnal column, 1 times column on road, 1 times column on dead tree, ...

Collected most commonly using these methods: 25 times search, 6 times hand collecting, 11 times Baiting, 12 times MiniWinkler, 9 times MaxiWinkler, 2 times white pan trap, 1 times Malaise, 1 times sweep, 1 times Winkler, 1 times beating, 1 times Berlese/Winkler, ...

Elevations: collected from 130 - 2164 meters, 1186 meters average

Type specimens:

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