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 avia Forel, new status Pheidole guilelmimuelleri subsp. avia Forel 1908h: 380. Types Mus. Hist. Nat. Geneve. Etymology L avia , pertaining to birds, allusion unknown. diagnosis Similar to antillana of the Lesser Antilles and to bucculenta , guilelmimuelleri , and hetschkoi of South America, as well as to mamore of South America in the scrobifera group, but differing in the following combination of traits. Major: very large, with sharp postpetiolar cornicles, otherwise close to the lectotype major of guilelmimuelleri (q.v.); but the minor is very distinct. Minor: occiput and anterior fourth of head bears transverse carinulae; carinulae originating on the frontal lobes curve outward (laterad) to join the anteriormost transverse posterior carinulae; anterior half of the pronotal dorsum transversely carinulate; rest of the head and body almost entirely smooth and shiny; propodeal spines moderately long, thin, and vertical. Measurements (mm) Paralectotype major: HW 2.34, HL 2.40, SL 1.04, EL 0.24, PW 1.12. Lectotype minor: HW 1.00, HL 1.14, SL 2.04, EL 0.24, PW 0.68. color Major: reddish yellow. Minor: concolorous plain yellow. Range Known only from the type locality. Biology Unknown. Figure Lectotype, minor. BRAZIL: Alto da Serra, Sao Paulo. Paralectotype major not shown; very similar to guilelmimuelleri lectotype major (q.v.). Scale bar = 1 mm.