= Pheidole JTL-124 Longino ms.
Formicidae, Hymenoptera, Insecta, Arthropoda, Animalia
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Identification
Minor worker: head length 0.54mm, head width 0.52mm, scape length 0.51mm, Webers length 0.68mm (n=1). Head somewhat cordate behind; promesonotum evenly arched, mesonotal suture absent; propodeal spines very short, upturned; scapes foveolate; clypeus longitudinally rugose; frontal carinae elevated, flange-like anteriorly; face and most of mesosoma uniformly foveolate, overlain with a silky luster and violaceous reflections; side of pronotum smooth and shining; first gastral tergum largely smooth and shining, but also with silky luster and violaceous reflections, and anterior fourth with feeble clathrate sculpture; dorsal pilosity moderately abundant, moderately long, flexuous; color red brown.
San Vito specimen: head length 0.64mm, head width 0.60mm, scape length 0.55mm, Webers length 0.81mm (n=1). Face weakly foveolate, overlain with longtitudinal branching rugae originating just medial to frontal carinae and extending nearly to lateral vertex margins.
Major worker: unknown.
Range
Costa Rica: Atlantic slope, southern Pacific mountains (San Vito area).
Natural History
This species inhabits forest floor leaf litter in wet forest habitats. Minor workers have been collected in a Berlese sample from La Selva, a Winkler sample from Turrialba, a Winkler sample from 880m elevation on the Barva transect in Braulio Carrillo National Park, and a collection by L. and A. Alonso from near San Vito.
Page authors:
John T. Longino, The Evergreen State College, Olympia WA 98505 USA. longinoj@evergreen.edu
Stefan Cover, Museum of Comparative Zoology, Harvard University, Cambridge MA 02138 USA. scover@oeb.harvard.edu
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