Pheidole citrina Wilson 2003

Formicidae, Hymenoptera, Insecta, Arthropoda, Animalia

worker face view

worker lateral view

major face view

major lateral view


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.


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.

Stefan Cover, Museum of Comparative Zoology, Harvard University, Cambridge MA 02138 USA.

Last modified: 2 September 2003.

Go back to top

Go to Ants of Costa Rica Homepage