Formicidae, Hymenoptera, Insecta, Arthropoda, Animalia
|
|
|
Identification
Minor worker: head length 0.55mm, head width 0.52mm, scape length 0.41mm, Webers length 0.63mm (n=1). Head flattened to slightly excavate behind; mesonotal suture absent; propodeal spines medium length; propodeal spiracle relatively large; face superficially punctatorugose laterally, smooth and shiny medially; promesonotal dorsum superficially punctatorugose; sides of pronotum shining, very feebly foveolate; katepisternum and propodeum foveolate; gaster smooth and shining; dorsal pilosity abundant, flexuous; color red brown.
Major worker: head length 0.92mm, head width 0.88mm, scape length 0.44mm (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 with median keel; propodeal spiracle relatively large; 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.
Range
Costa Rica: southern Pacific highlands.
Natural History
Inhabits wet forest.
Selected Records
San Vito: moist forest; recent treefall; nest in hard dead branch.
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
Go back to top