Formicidae, Hymenoptera, Insecta, Arthropoda, Animalia
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Additional images: Queen, face view (small, large); lateral view (small, large); mandible (large).
Range
Costa Rica: Atlantic slope to 800m.
Identification
Small size; brown to bicolored; clypeal carinae moderately diverging, projecting as well-developed anterior teeth; eyes with 1-3 ommatidia; mandible with basal (fourth) tooth reduced relative to third; postpetiole with anteroventral process; abundant erect flexuous pilosity; smooth and shiny. Workers cannot always be distinguished from JTL-005. At La Selva there is a tendency for JTL-027 to be smaller and with more sloping propodeum.
Queen, relative to JTL-005: larger, more kidney shaped eyes; head similar in size to slightly larger; mandible similar, with basal tooth small and set back from third tooth; facial punctures denser and larger; ocelli slightly larger. Figure.
Similar species: JTL-005.
Natural History
This species occurs in dead wood, in small dead sticks, and under epiphytes. Several nest collections have all been monogynous. Workers occur in Winkler and Berlese samples.
Page author:
John T. Longino, The Evergreen State College, Olympia WA 98505 USA.longinoj@evergreen.edu
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