Pheidole in the New World. A dominant, hyperdiverse ant genus. Author Wilson, E. O. text 2003 Harvard University Press Cambridge, MA http://atbi.biosci.ohio-state.edu/HymOnline/reference-full.html?id=20017 book 20017 Pheidole quercicola new species TYPES Mus. Comp. Zool. Harvard. Etymology L quercicola , oak-dwelling, allusion to habitat of type colony. diagnosis Similar in various traits to bilimeki , chalca , daphne , floridana , furtiva , nebulosa , specularis , and stomachosa , differing as follows. Major: yellow; profde of promesonotal dorsum flat in side view, descending to metanotum in steep posterior face; humerus discrete and lobose in dorsal-oblique view; occiput broad and deeply concave; postpetiole conate from above; posterior half of head smooth and shiny; and anterior half of dorsal surface of head carinulate; lower margin of pronotum carinulate; middle of mesopleuron with band of broken rugulae. Minor: occiput broad, strongly concave; promesonotal profde semicircular; propodeal spine equilaterally triangular; postpetiolar node strongly developed in side view; almost all of body smooth and shiny. Measurements (mm) Holotype major: HW 1.06, HL 1.12, SL 0.50, EL 0.14, PW 0.54. Paratype minor: HW 0.52, HL 0.58, SL 0.48, EL 0.08, PW 0.34. Color Major: concolorous medium yellow. Minor: concolorous light yellow. Range Known only from the type locality. Biology The type colony was collected at a relatively high elevation in humid pine-oak forest. Figure Upper: holotype, major. Lower: paratype, minor. MEXICO: vicinity of Omilteme, Guerrero, 2300-2500 m (Cornell University Field Party, 1965). Scale bars = 1 mm.