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Costa Rica (type locality).
Apterostigma calverti inhabits lowland rainforest on the Atlantic slope of Costa Rica. Wheeler (1911) described this species from two nest series collected by Calvert in the "Banana River District" and Juan Vi–as. The former is presumably somewhere near the R’o Banano, just south of the port city of Lim—n. The latter is in Cartago province, at 1200m elevation on the old road from San JosŽ to the coast. Both nests were between bromeliad leaves 4m above the ground. Calvert was studying Odonata and I presume was searching phytotelmata for immatures. The ALAS project at La Selva Biological Station collected one worker from a canopy fogging sample.
The species is redescribed by Lattke (1997).
Lattke, J. E. 1997. Revisi—n del gŽnero Apterostigma Mayr (Hymenoptera: Formicidae). Arq. Zool. (S‹o Paulo) 34:121-221.
Wheeler, W. M. 1911. Three new ants from Mexico and Central America. Psyche (Cambridge) 18:203-208.
Found most commonly in these habitats: 1 times found in wet forest.
Found most commonly in these microhabitats: 1 times under epiphyte mats in treefalls, 1 times ALAS canopy fogging of Pentaclethra macroloba (Fabaceae).
Collected most commonly using these methods: 1 times search, 1 times fogging.
Elevations: collected from 50 - 800 meters, 425 meters average