Formicidae, Hymenoptera, Insecta, Arthropoda, Animalia
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Identification
Minor worker: head length 0.67mm, head width 0.62mm, scape length 0.66mm, Webers length 0.90mm (n=1). Head rounded behind; mesonotal suture absent; humeri produced as angulate bosses; propodeal spines short; face largely smooth and shining; mesosoma largely rugose, shiny, with smooth patches on dorsum and sides of pronotum; gaster smooth and shining; dorsal pilosity abundant, flexuous; color red brown.
Major worker: head length 1.11mm, head width 1.16mm, scape length 0.65mm (n=1). Face with longitudinal, subparallel rugae between eyes and frontal carinae, rest of face smooth and shining; hypostomal margin straight, with no median tooth (or a slight nubbin), and pair of stout, sharp teeth one third to one half distance to recessed teeth flanking mandible bases; dorsal pilosity abundant; head with abundant, short, subdecumbent setae projecting from sides of head in face view.
Range
Costa Rica.
Natural History
Selected Records
Penas Blancas Valley: new second growth veg.; bananas, Piper, tall grass. Nest in dead Piper stem.
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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