Pheidole beloceps Wilson 2003

= Pheidole JTL-102

Formicidae, Hymenoptera, Insecta, Arthropoda, Animalia

worker face view

worker lateral view

major worker face view

major worker lateral view


Minor worker: head length 0.48mm, head width 0.44mm, scape length 0.35mm, Webers length 0.51mm (n=1). Head flat behind; mesonotal suture absent; promesonotum somewhat box-like; propodeal spines medium length, erect; face punctatorugose, rugae superficial; dorsum of promesonotum superficially punctatorugose to nearly smooth and shining; sides of pronotum smooth and shining; katepisternum and dorsum and sides of propodeum foveolate; first gastral tergum smooth and shining; dorsal pilosity sparse, short, stiff; color orange.

Major worker: head length 0.99mm, head width 0.76mm, scape length 0.37mm (n=1). Face superficially punctatorugose; medial area between frontal carinae shiny with subparallel longitudinal rugae; weak antennal scrobes present in the form of small, shallow depressions beneath apices of scapes, surface of small depression smooth and shining; hypostomal margin flat; median tooth absent; stout lateral teeth about one third distance from midline to recessed teeth flanking mandible bases; dorsal pilosity abundant; head with abundant short, stiff setae projecting from sides of head in face view.

Similar species: JTL-141.


Costa Rica: Atlantic and southern Pacific lowlands.

Natural History

This species inhabits lowland wet to moist forest leaf litter. It is most often encountered in Winkler and Berlese samples. Workers were once collected at a honey/oil bait on the forest floor. Its frequency in Berlese samples suggests it is largely subterranean.

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: 14 January 2006.
Previous versions of this page: 8 December 1997, 20 July 2002
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