Formicidae, Hymenoptera, Insecta, Arthropoda, Animalia
Additional images: worker mesosoma, lateral view (small, large).
Costa Rica (500m elevation on Cordillera Volcanica Central).
Mesosomal dorsum with erect hairs; opening of propodeal spiracle viewed perpendicularly slit-shaped, more than twice as long as wide; mandible with ten or more teeth; in side view, dorsal outline of mesosoma forms a continuous convexity including mesonotum, metanotum and propodeal dorsum; propodeal groove obsolete or nearly so, and not strongly impressed; distinct carina runs from the lateral wing of the clypeus near the mandibular insertion to or nearly to the anteromesal quarter of the margin around the eye; acrotergite of second gastral tergum (when exposed) with a distinctly differentiated median stridulatory file with bands of rainbow colors; arolia present; petiolar node as seen from the side more or less subquadrate, with vertical anterior and posterior faces and a horizontal but convex dorsal face; color black; antennal scapes long, when laid back distinctly surpass margin of vertex.
Similar species: crenata.
This species is only known from a single worker collected by Danilo Brenes in a sweepnet sample. The sample was part of the Project ALAS sampling at the 500m elevation (El Ceibo) site on the Barva Transect in Braulio Carrillo National Park.
John T. Longino, The Evergreen State College, Olympia WA 98505 USA.firstname.lastname@example.org
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