Pheidole dryas Wilson 2003

= Pheidole JTL-046

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 0.57mm, head width 0.53mm, scape length 0.44mm, Webers length 0.67mm (n=1). Head flattened to slightly excavate behind; mesonotal suture absent; propodeal spines very short; face superficially punctatorugose, rugae longitudinal, linear, subparallel over most of face; promesonotal dorsum largely punctatorugose; sides of pronotum smooth and shining; katepisternum and propodeum foveolate; gaster smooth and shining; dorsal pilosity abundant, flexuous; color red brown.

Major worker: head length 0.90mm, head width 0.84mm, scape length 0.42mm (n=1). Anterior two thirds of face puntatorugose, rugae longitudinal, subparallel; posterior third of face and vertex lobes smooth and shining; antennal scrobes present in the form of small, shallow depressions beneath apices of scapes; surface of scrobe smooth and shining; clypeus smooth, without median keel; hypostomal margin gently curved, with small, rounded median tooth, and pair of stout, sharp teeth about one half distance to recessed teeth flanking mandible bases; dorsal pilosity abundant; head with abundant, suberect setae projecting from sides of head in face view.


Costa Rica: Atlantic slope of Cordillera Central.

Natural History

Inhabits wet forest.

Selected Records

Braulio Carrillo National Park (500m): mature wet forest. Canopy tree. Nest under epiphyte mat. This species found under many epiphyte mats in the canopy, perhaps part of one large polydomous colony.

Braulio Carrillo National Park (Carrillo).

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: 2 September 2003.
Previous versions of this page: 8 December 1997
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