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Species: Camponotus rectangularis   Emery, 1890 

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See Also:

Camponotus rectangularis aulicus, Camponotus rectangularis ligatus, Camponotus rectangularis rubroniger, Camponotus rectangularis rubronigra, Camponotus rectangularis setipes, Camponotus rectangularis sordidatus, Camponotus rectangularis willowsi

Taxonomic History (provided by Barry Bolton, 2017)

5 subspecies

Camponotus (Myrmocladoecus) rectangularis Emery, 1890c: 57 (w.) COSTA RICA. Neotropic. AntCat AntWiki HOL

Taxonomic history


Neotropical Region: Ahuachapán, Atlántida, Belize, Brazil, Costa Rica, El Progreso, El Salvador, French Guiana, Guanacaste, Guatemala, Guyana, Honduras, Izabal, La Libertad, La Paz, Limón, Loreto, Managua, Nicaragua, Panama, Peru, Petén, Puntarenas, Región Autónoma del Atlántico Sur, Sonsonate, Suriname, Usulután

Distribution Notes:

Guatemala to Brazil. Costa Rica: northern Pacific lowlands (one record from Atlantic coast).


Natural History:

This species is a very common and conspicuous ant in the dry lowlands of northwest Costa Rica, south to Carara Biological Reserve, and as high as 900m elevation on the road to Monteverde. The bright orange workers are common diurnal foragers on low vegetation and treetrunks. They are common in xeric and synanthropic habitats. I usually find nests in dead branches and stems in low vegetation. A dry xeric ridge near Playa Naranjo in Santa Rosa National Park had many bulbous-based Tillandsia on the branches of low shrubs, and I found several C. rectangularis nests in these epiphytes. Several times I have found lone foundress queens in dead stems, suggesting monogynous claustral founding.

I have one Atlantic side collection. I was collecting along the beach margin at the Casa Verde turtle research station in Tortuguero, and I found a nest in a dead vine stem.


Emery, C. 1890. Studii sulle formiche della fauna neotropica. Bull. Soc. Entomol. Ital. 22:38-80.

Taxonomic Treatment (provided by Plazi)

Treatment Citation: Forel, A., 1908, Fourmis de Costa-Rica, récoltées par M. Paul Biolley., Bulletin de la Societe Vaudoise des Sciences Naturelles 44, pp. 35-72

Camponotus rectangularis EmeryHNS

[[ worker ]]. Surubres, pres San Mateo, 250 metres, cote Pacifique de Costa Rica, dans les tiges creuses de la brousse (P. Biolley).

Specimen Habitat Summary

Found most commonly in these habitats: 5 times found in 2º lowland rainforest, 3 times found in dry forest, 4 times found in Port of entry, 3 times found in xeric scrub, 3 times found in beach, 1 times found in tropical forest edge, 1 times found in wet forest edge, 1 times found in moist forest, 1 times found in Secondary forest in city park, 1 times found in 2nd growth dry forest, ...

Found most commonly in these microhabitats: 6 times beating vegetation, 1 times ex dead stem, str times collecting in secondgrowth dry forest on slope adjacent to pasture. #3423-s, camponotus; times collecting in mesquite tree at beach edge in front of cabina. #3426, 1 times Beach edge vegetation. Nest in dead vine stem., 1 times sweeping vegetation, 2 times on bromeliads, 2 times nest in Tilandsia, 1 times nest in dead stick, 2 times Malaise trap, 1 times forager, ...

Collected most commonly using these methods: 6 times Beating, 3 times search, 1 times sweep, 2 times Malaise, 2 times Nest in twig above ground, 1 times Dead twig above ground, 1 times miniWinkler, 1 times miscellaneous collecting, 1 times pyrethrum/insecticide fogging.

Elevations: collected from 3 - 700 meters, 101 meters average

Type specimens: syntype of Camponotus rectangularis: casent0905527

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