Formicidae, Hymenoptera, Insecta, Arthropoda, Animalia
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Identification
Minor worker: head length 0.54mm, head width 0.50mm, scape length 0.54mm, Webers length 0.64mm (n=1). Head somewhat flattened behind; promesonotum evenly arched, mesonotal suture absent; propodeal spines of moderate length; face, pronotum, and gaster largely smooth and shining; katepisternum, anepisternum, and propodeum foveolate; dorsal pilosity abundant, long, flexuous; color orange.
Major worker: head length 0.80mm, head width 0.79mm, scape length 0.55mm (n=1). Anterior three fourths of face with widely-spaced, longitudinal, subparallel rugae, posterior fourth smooth and shining; hypostomal margin concave, with no medial tooth, and pair of small, angular to spiniform teeth about three fourths distance to recessed teeth flanking mandible bases (Figure); dorsal pilosity abundant; head with abundant, erect setae projecting from sides of head in face view.
Range
Costa Rica (Atlantic lowlands).
Natural History
Inhabits wet forest leaf litter.
Selected Records
Winkler samples from La Selva, Braulio Carrillo National Park (300m), Turrialba, Hitoy Cerere Biological Reserve.
Page authors:
John T. Longino, The Evergreen State College, Olympia WA 98505 USA. longinoj@evergreen.edu
Stefan Cover, Museum of Comparative Zoology, Harvard University, Cambridge MA 02138 USA. scover@oeb.harvard.edu
Last modified: 2 September 2003.
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