Formicinae, Formicidae, Hymenoptera, Insecta, Arthropoda, Animalia
Costa Rica: Atlantic slope of Cordillera Volcanica Central.
Minor worker: Propodeum with distinct pair of posteriorly projecting subtriangular spines; dorsal face of propodeum subrectangular, longer than wide in dorsal view; propodeal spines widely spaced; first gastral tergite with very dilute pubescence, not obscuring integument; petiole with posteriorly projecting medial spine; propodeal suture deeply impressed.
I know this species from only one collection. I was collecting along the new roadcut for the Guapiles highway, just above the Rio Sucio. This was a wet forest site, with many recently felled trees. I found a stray worker.
Specimen data: Prov. San Jose, Carrillo, Braulio Carrillo National Park, 10¡09'N 83¡55'W, 500m, 20 Sep 1980 (J. Longino).
This species combines features of mucronatus and raphaelis.
John T. Longino, The Evergreen State College, Olympia WA 98505 USA.email@example.com
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