Formicinae, Formicidae, Hymenoptera, Insecta, Arthropoda, Animalia
Costa Rica: Cordillera de Talamanca (Wilson Botanical Gardens at 1200m elevation) and uplands of Osa Peninsula (Cerro Rincon at 700m).
Minor worker: scapes with long suberect pubescence, 2-3 differentiated erect setae; lateral margins of head and anterior face with abundant long erect and decumbent setae; face shallowly micropunctate/microreticulate, feebly shining; dorsal and lateral faces of pronotum shallowly convex, meeting at feeble humeral angle; dorsal and lateral faces of propodeum meeting at rounded angle, not sharply differentiated; dorsal and posterior faces flat, meeting at distinct angle, dorsal face much shorter than posterior face; sides of pronotum, mesopleura, and sides of propodeum all microreticulate, sublucid; petiolar scale tapering to sharp crest, 0-1 erect setae on crest; first gastral tergite separated into distinct anterior and dorsal faces by an elevated keel; dorsal face of first gastral tergite shagreened, with sparse subdecumbent pubescence and sparse erect setae, setae only slightly larger than pubescence, not as sharply differentiated as in other Camponotus species; integument with sharply bounded black and yellow coloration; mesosoma and much of head shining black; coxae and legs, malar space, and scapes bright yellow, gastral terga black with narrow yellow band on posterior border.
Major worker: unknown.
Similar species: championi, linnaei.
L. and A. Alonso collected a worker of this species during ant surveys at Wilson Botanical Gardens. I collected stray workers on low vegetation while visiting the small patches of cloud forest on Cerro Rincon, at 700m elevation on the Osa Peninsula.
John T. Longino, The Evergreen State College, Olympia WA 98505 USA.email@example.com
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