Acanthognathus ocellatus Mayr 1887

Formicidae, Hymenoptera, Insecta, Arthropoda, Animalia

worker face view

worker lateral view


Mandibles about as long as head, with no preapical teeth or denticles; face covered with large, shallow fossae.


Brazil, Trinidad, Panama, Costa Rica. Costa Rica: widespread.

Natural History

Inhabits lowland to lower montane wet and moist forest; nests have been observed in rotten twigs or small pieces of rotten wood on the forest floor, and under epiphytes; predaceous on small arthropods.

Selected Records

Winkler samples from La Selva, Guanacaste Conservation Area (Pitilla), 900m elevation in a moist forest patch just west of Monteverde, Carara (500m).

La Selva: under epiphyte mats on old treefall.

La Selva: Queen was alone in a chamber in a small knot on a recent live branchfall.

Page author:

John T. Longino, The Evergreen State College, Olympia WA 98505 USA.

Date of this version: 18 August 1997

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