Dacetini, Formicidae, Hymenoptera, Insecta, Arthropoda, Animalia
Costa Rica: known from one collection from near Cahuita, along the southern Atlantic coast.
Mandibles in full-face view sublinear, elongate and narrow; at full closure engaging only at apex; ventral surface of petiole with a strip or curtain of spongiform tissue; leading edge of scape without freely projecting broadly spatulate or spoon-shaped hairs. Also see Bolton (2000:246).
Members of the genus are all predaceous, with a static pressure mode of attack (Bolton 1999).
The single known specimen was collected in a Winkler sample of sifted leaf litter from lowland rainforest floor.
Pyramica warditeras Bolton 2000:246, figs. 165, 189. Holotype worker: Costa Rica, Prov. Limon, 3km SSE Cahuita, 70m, 9 degrees 43'N, 82 degrees 50'W, 24.xii.1983, #6530-10, sifted litter (leaf mould, rotten wood) rainforest (P. S. Ward) [BMNH].
Bolton, B. 1999. Ant genera of the tribe Dacetonini (Hymenoptera: Formicidae). J. Nat. Hist. 33:1639-1689.
Bolton, B. 2000. The ant tribe Dacetini, with a revision of the Strumigenys species of the Malagasy Region by Brian L. Fisher, and a revision of the Austral epopostrumiform genera by Steven O. Shattuck. Memoirs of the American Entomological Institute 65:1-1028.
John T. Longino, The Evergreen State College, Olympia WA 98505 USA.email@example.com
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