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 laevifrons Mayr Pheidole laevifrons Mayr 1887: 598. types Naturhist. Mus. Wien. etymology L laevifrons , smooth or polished front, presumably alluding to the mostly smooth, shiny dorsum of the head of both castes. Diagnosis A small, yellow member of the diligens group, distinguished as follows. Major: cephalic sculpturing limited to the anterior third of the head, level with and anterior to the eyes; moderately abundant pilosity; relatively short propodeal spines. Close to peregrina , but major with much shallower occipital cleft in frontal view, thinner petiolar peduncle and node in side view, and more mesad placement of cephalic rugoreticulum. Minor: thicker propodeal spines and longer scapes. Also similar to triconstricta but with much denser pilosity, shallower occipital cleft, and bilobous as opposed to trilobous promesonotal profile in dorsal-oblique view. See also the less similar coffeicola , pubiventris , seeldrayersi , and variegata . measurements (mm) Lectotype major: HW 1.08, HL 1.06, SL 0.86, EL 0.20, PW 0.54. Paralectotype minor: HW 0.60, HL 0.70, SL 0.82, EL 0.14, PW 0.36. Color Major and minor: concolorous yellow. range Known only from the type series. Biology Unknown. Figure Upper: lectotype, major. Lower: paralectotype, minor. BRAZIL: Santa Catarina. Scale bars = 1 mm.