= Pheidole JTL-097
Formicidae, Hymenoptera, Insecta, Arthropoda, Animalia
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Identification
Minor worker: head length 0.45mm, head width 0.42mm, scape length 0.38mm, Webers length 0.52mm (n=1). Head flattened behind, with shallow median excavation; mesonotal suture absent; promesonotum somewhat box-like in profile; propodeal spines short, subtriangular; humeri and sides of pronotum somewhat produced, such that posterolateral face of pronotum slopes inward; face and mesosoma uniformly foveolate except for shiny patch on posterolateral pronotum; posterior face of propodeum uniformly foveolate (in contrast to otisi, on which it is smooth and shining); first gastral tergum smooth and shining; dorsal pilosity sparse, short, stiff; color orange.
Major worker: head length 0.82mm, head width 0.66mm, scape length 0.36mm (n=1). Face foveolate, overlain with faint longitudinal rugae anteriorly, reticulate rugae posteriorly; antennal scrobes weakly present in the form of shallow depressions beneath apices of scapes; hypostomal margin straight, with median tooth (may be inconspicuous to absent) and pointed lateral teeth about one third distance from midline to recessed teeth flanking mandible bases; dorsal pilosity abundant; head with short, suberect setae projecting from sides of head in face view.
Range
Costa Rica.
Selected Records
Penas Blancas Valley: mature wet forest. Nest in two separated internodes of small Cecropia insignis sapling.
San Vito: mature wet forest. Nest in single internode of Cecropia insignis sapling.
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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