Pheidole potosiana Wilson 2003

Formicidae, Hymenoptera, Insecta, Arthropoda, Animalia

minor worker lateral view

major worker lateral view

minor worker face view

major worker face view


Minor worker: head length 0.60mm, head width 0.53mm, scape length 0.73mm, Webers length 0.76mm (n=1). In full face view, posterior margin of vertex broadly rounded; no vertex collar; promesonotal and metanotal grooves well impressed; propodeal spines of moderate length; face smooth and shiny; pronotum foveolate with dorsum largely smooth and shining, and large shiny patches on the sides; mesonotum foveolate with small shiny patch dorsally; propodeum foveolate dorsally and on sides; gaster smooth and shiny; dorsal pilosity moderately abundant, long, flexuous; color dark brown.

Major worker: head length 1.07mm, head width 1.02mm, scape length 0.76mm (n=1). Face shiny throughout; anterior half of face, lateral to frontal carinae, reticulate rugose, remainder of face smooth; hypostomal margin with pair of widely-spaced teeth, teeth long and sharp, located near small recessed teeth flanking mandible; dorsal setae abundant, flexuous; abundant suberect setae projecting from sides of head in face view; gaster with suberect setae near postpetiolar insertion, grading into shorter, suberect pubescence posteriorly.


Costa Rica: Pacific lowlands.

Natural History

Selected Records

Santa Rosa National Park (Bosque Humedo): at tuna bait.

Carara Biological Reserve: mature forest near highway, 30m elevation; Winkler sample.

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.

Date of this version: 19 October 2007.
Previous versions of this page: 8 December 1997.
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