Formicidae, Hymenoptera, Insecta, Arthropoda, Animalia
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Identification
Minor worker: head length 0.46mm, head width 0.42mm, scape length 0.42mm, Webers length 0.50mm (n=1). Head rounded behind with impressed medial area; mesonotal suture absent; promesonotum evenly arched; propodeal spines medium length, spiniform; face foveolate with very faint rugae medially and on vertex lobes; medial area between frontal carinae slightly raised, producing a hint of an antennal scrobe; mesosoma foveolate, overlain with feeble rugae on anteromedian promesonotal dorsum; first gastral tergum smooth and shining; dorsal setae abundant (15 or more on promesonotum), medium length, flexuous; humeral setae longer than surrounding promesonotal setae; color orange.
Major worker: head length 0.82mm, head width 0.84mm, scape length 0.45mm (n=1). Face with shallow antennal scrobes; face shiny throughout, covered with long, widely-spaced, longitudinal, subparallel rugae; antennal scrobe smooth; hypostomal margin gently curved; median tooth pointed, distinct, of similar size to lateral teeth; lateral teeth pointed, about one half distance from midline to recessed teeth flanking mandible bases; dorsal pilosity abundant; head with abundant erect setae projecting from sides of head in face view.
Range
Costa Rica.
Natural History
Selected Records
Turrialba: Winkler sample.
Corcovado National Park (Sirena): at baits on forest floor.
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
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