<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>Pheidole chalcoides Wilson, 2003, new species</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"/> </head> <body> <p> Pheidole chalcoides new species</p> <p> types Mus. Comp. Zool. Harvard.</p> <p> Etymology Gr chalcoides, like chalca, a similar species.</p> <p> Diagnosis Medium-sized, bicolorous, similar to chalca of Hidalgo and Veracruz, distinguished in the major by the rugoreticulate humerus, which is also more prominently extended in dorsal-oblique view; by the narrower and laterally rounded postpetiolar node, and by the light brown (as opposed to yellow) occiput; and in the minor by the toothed humerus and foveolate, opaque pronotal dorsum.</p> <p> Also similar but less so to arhuaca, caulicola, mincana, sagana, schmalzi, tragica, and umphreyi, differing in details of body shape, sculpture (especially mesosomal), and color.</p> <p> Measurements (mm) Holotype major: HW 0.98, HL 1.00, SL 0.48, EL 0.12, PW 0.50. Paratype minor: HW 0.52, HL 0.56, SL 0.44, EL 0.08, PW 0.34.</p> <p> Color Major: head weakly bicolorous, with anterior third of the capsule brownish yellow and the rear two-thirds light brown;</p> <p> mesosoma, waist, and appendages light to medium brown; gaster medium brown.</p> <p> Minor: head, mesosoma, waist medium brown; gaster dark brown; appendages light brown.</p> <p> Range Known from the type locality and a single series from Rio Palenque, Ecuador (Gary J. Umphrey).</p> <p> Biology The Ecuador series was collected from a rotten section of a live tree, about 1.5 m above ground in forest.</p> <p> figure Upper: holotype, major. Lower: paratype, minor. MEXICO: 3 km west of Fortin De Las Flores, Veracruz, 1000 m (R. J. Hamton and A. B. Hamton). Scale bars = 1 mm.</p> </body> </html>