Formicidae, Hymenoptera, Insecta, Arthropoda, Animalia
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Additional SEM images of worker: anterior view of clypeus (small, large), mandible (small, large), second view of mandible (small, large), lateral view of head (small, large), lateral view of lower head, showing median hypostomal tooth (small, large), dorsal view of mesosoma (small, large).
Range
Costa Rica: montane wet forests to cloud forest, Cordilleras of Guanacaste, Tilaran, Talamanca. In Monteverde area, in moist forest of community area and in wet forest around Casa Eladio, at 800m in the Penas Blancas Valley. Also known from Cerro Cacao, and Fila Cruces near San Vito.
Identification
Dorsum of mesosoma largely smooth; hypostomal tooth stout, in the form of an acute to blunt tooth; postpetiole broadly rounded posteriorly, not projecting over gaster; propodeal spines relatively elongate and narrowly acute; lateral portions of face (antennal scrobes) with confluent rugae and foveae, without smooth and shining interspaces; eyes composed of about 7 facets; dorsal pilosity moderately long and dense; color dark brown; WL=0.67mm (n=1).
Natural History
Inhabits forest floor litter. Known only from Winkler samples.
Page author:
John T. Longino, The Evergreen State College, Olympia WA 98505 USA.longinoj@evergreen.edu
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