Myrmicinae, Formicidae, Hymenoptera, Insecta, Arthropoda, Animalia
Costa Rica: Cordillera Volcanica Central, Barva transect at 1100m.
Minor worker: head length 0.53mm, head width 0.49mm, scape length 0.46mm, Webers length 0.59mm (n=1). Head rounded behind with small median excavation; mesonotal suture somewhat impressed; propodeal spines medium length, erect; face with superficial rugae over shiny surface; dorsum of promesonotum nearly smooth and shining; sides of pronotum smooth and shining; katepisternum and dorsum and sides of propodeum weakly rugose; first gastral tergum smooth and shining; dorsal pilosity moderately abundant, medium length; tibiae with dense pilosity of uniform length, subdecumbent, shorter than width of tibia; color orange brown.
Major worker: head length 1.04mm, head width 0.96mm, scape length 0.52mm (n=1). Face longitudinally rugose on anterior two thirds, otherwise smooth and shining; medial area between frontal carinae shiny with subparallel longitudinal rugae; 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 setae projecting from sides of head in face view.
Similar species: beloceps.
This species occurs in cloud forest. It is known from one site: Braulio Carrillo National Park, Barva transect, 1100m site. It occurred in a combination of Project ALAS Winkler and Berlese samples.
John T. Longino, The Evergreen State College, Olympia WA 98505 USA. email@example.com
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