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Species: Brachymyrmex santschii   Menozzi, 1927 

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Taxonomic History (provided by Barry Bolton, 2019)

Brachymyrmex santschii Menozzi, 1927d PDF: 338, fig. 5 (w.) COSTA RICA. Neotropic. AntCat AntWiki HOL


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

Distribution Notes:

Costa Rica: Monteverde, San JosŽ (type locality), Barva transect at 1100m.


Natural History:

This is a common, distinctive species that occurs in cloud forest leaf litter. It appears to have a narrow elevational range. In the Monteverde area it occurs frequently in Winkler samples from the cloud forest, but has not been collected just below the cloud forest in the Pe–as Blancas Valley, in spite of intensive collecting there. On the Barva transect, intensive sampling by Project ALAS produced numerous collections from the 1070m site, but none from the 2000m and 500m sites.

Specimen Habitat Summary

Found most commonly in these habitats: 48 times found in montane wet forest, 31 times found in cloud forest, 6 times found in ridgetop cloud forest, 3 times found in cloud forest, old second growth forest, 2 times found in moist forest, 2 times found in cloud forest, probably old second growth, matrix of dense bamboo and more open forest, 1 times found in riparian forest, cloud forest along stream, near dairy farm pasture, 2nd growth or disturbed primary, 1 times found in wet forest, 1 times found in along main road through cloud forest and pasture, 1 times found in cloud forest, on steep slope, probably old 2nd growth, near pasture, ...

Found most commonly in these microhabitats: 31 times ex sifted leaf litter, 16 times Hojarasca, 11 times beating vegetation, 9 times Sobre Vegetacion, 6 times ex sifted litter from forest floor, 3 times ex sifted leaf litter on ground, 3 times beating veg., 2 times at bait, 1 times Hojarasca, second growth, vegetation only about 4m high, climbing steeply, 1 times Hojarasca, mature forest, drop to small stream, 2 times Hojarasca, en bosque paralelo al sendero gradiente fuerte y al lado de paredon, ...

Collected most commonly using these methods: 23 times Mini Winkler, 23 times miniWinkler, 13 times Winkler, 14 times beating, 9 times Sweeping, 5 times maxiWinkler, 4 times Malaise, 3 times search, 2 times baiting, 1 times Pan Trap.

Elevations: collected from 1040 - 1800 meters, 1381 meters average

Type specimens: Syntypes santschii: jtl055870; type of Brachymyrmex santschii: focol0155

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