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Species: Cephalotes pallens   (Klug, 1824) 

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See Also:

Cephalotes pallens discocephalus, Cephalotes pallens patellaris, Cephalotes pallens porrasi

Taxonomic History (provided by Barry Bolton, 2017)

Cryptocerus pallens Klug, 1824: 206 (w.) BRAZIL. Neotropic. AntCat AntWiki HOL

Taxonomic history

Emery, 1894d PDF: 212 (s.q.); Emery, 1896h PDF: 635 (m.); Wheeler & Wheeler, 1973b PDF: 79 (l.).
Combination in Cryptocerus (Cyathocephalus): Emery, 1915g PDF: 192; in Cryptocerus (Cyathomyrmex): Creighton, 1933 PDF: 100; in Zacryptocerus: Brandão, 1991 PDF: 387; in Cephalotes: De Andrade & Baroni Urbani, 1999: 493.


Neotropical Region: Argentina, Atlántida, Brazil, Chiapas, Colombia, Costa Rica, Ecuador, French Guiana, Grenada, Guanacaste, Guatemala, Guyana, Haiti, Honduras, Izabal, Jujuy, Magdalena, Mato Grosso do Sul, Nicaragua, Ouest, Panama, Puntarenas, Región Autónoma del Atlántico Norte, Saint Vincent and the Grenadines, Suriname, Trinidad and Tobago, Venezuela

Distribution Notes:

Mexico to Brazil (Kempf 1958). Costa Rica: seasonally dry portions of Guanacaste and Puntarenas Provinces.


Natural History:

This species prefers dry forest or scrubby habitats. It nests in live or dead stems. I have the following nest collections:

Nest in dead stick.

A sprawling vine had soft pith and was commonly inhabited by ants. A series of nest collections made, all from live stems.

Small treefall that had been down long enough for leaves to be dry and brown. Nest in hard dead wood.


Andrade, M. L. de, and C. Baroni Urbani. 1999. Diversity and adaptation in the ant genus Cephalotes, past and present (Hymenoptera, Formicidae). Stuttgarter Beitrage zur Naturkunde Serie B (Geologie und Palaontologie) 271:1-889.

Kempf, W. W. 1958. New studies of the ant tribe Cephalotini (Hym. Formicidae). Stud. Entomol. (n.s.)1:1-168.

Klug, F. 1824. Entomologische Monographien. Berlin: Reimer, 242 pp.

Specimen Habitat Summary

Found most commonly in these habitats: 4 times found in dry forest, 1 times found in 2nd growth seasonal dry forest, 1 times found in secondgrowth dry forest, 1 times found in Maritza, 1 times found in moist forest and second growth veg., 2 times found in tropical rainforest, 1 times found in isolated tree in pasture, 2 times found in Secondary forest in city park, 1 times found in 2º lowland rainforest, 1 times found in dry forest/beach edge, ...

Found most commonly in these microhabitats: 1 times nest in dead vine stem, 1 times nest in dead stick, 1 times moist forest, 1 times in dead stick, 1 times River edge at Bird Island. A sprawling vine common along bank had soft pith and, 1 times nocturnal foragers, 2 times beating vegetation, 1 times sweeping vegetation, 1 times on ant acacia., 1 times Nest in 6mm dead stick., 1 times Nest in 10mm dia live stem of legume, ...

Collected most commonly using these methods: 8 times search, 2 times Dead twig above ground, 2 times Nest in twig above ground, 2 times Beating, 1 times miniWinkler, 1 times Nest in dead acacia tree, 1 times nest in twig, brood in nest, 1 times sweep.

Elevations: collected from 10 - 1207 meters, 291 meters average

Type specimens: Holotype of Cryptocerus araneolus: casent0900252; syntype of Cryptocerus discocephalus: casent0919602; syntype of Cryptocerus varians marginata: casent0904929; type of Cryptocerus pallens: focol2147

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