Pheidole in the New World. A dominant, hyperdiverse ant genus. Author Wilson, E. O. text 2003 Harvard University Press Cambridge, MA, USA http://atbi.biosci.ohio-state.edu/HymOnline/reference-full.html?id=20017 book 20017 Pheidole geraesensis Stantischi , new status Pheidole semilaevis var. geraesensis Santschi 1929d: 287. Types Naturhist. Mus. Basel. Etymology Named after the type locality. Diagnosis A member of the diligens group similar to bruesi , stigma , and triconstricta (see also less similar species listed under these names, if in doubt). Major: head bicolorous (see Color below); dorsum of head posterior to eye level smooth and shiny; a very small patch of rugoreticulum present posterior to each antennal fossa; pronotal dorsum with broken transverse rugulae, a thin anterior fringe of first gastral tergite shagreened; head posterior to eye and all of mesosoma devoid of pilosity; pronotum in dorsal-oblique view a single semicircular convexity; lateral margins of petiole subangulate. Minor: pronotum in dorsal-oblique view bilobous; most of head and all of mesosoma and waist devoid of pilosity; dorsal margin of first gastral tergite lined exclusively with short, appressed hairs. measurements (mm) Lectotype major: HW 1.18, HL 1.72, SL 0.78, EL 0.20, PW 0.60. Paralectotype minor: HW 0.60, HL 0.64, SL 0.72, EL 0.12, PW 0.40. Color Major: head bicolorous, with posterior three-fourths reddish brown and anterior fourth plus mandibles reddish yellow; body plain light brown; appendages dark yellow. Range Known only from the type locality. Biology Unknown. Figure Upper: lectotype, major. Lower: paralectotype, minor. BRAZIL: Minas Gerais. Scale bars = 1 mm.