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 severini Forel Pheidole severini Forel 1904e: 171. Types Mus. Hist. Nat. Geneve (syntype minor only; major not located, may be in the Musee de Bruxelles, the source of Forel's material). Etymology Eponymous. Diagnosis A member of the tristis group, similar (in the minor caste, the only one available in this study) to excubitor , grandinodus , and obrima in the greatly enlarged postpetiole and overall habitus, differing in the shallow, nearly flat venter of the postpetiole in side view; constricted ventral margin of the postpetiolar node from above; much longer antennal scapes; and more prominent nuchal collar. Measurements (mm) Syntype minor: HW 0.74, HL 1.02, SL 1.32, EL 0.20, PW 0.52. Color Minor: concolorous dark yellow. Range Known only from the type locality. Biology Unknown. Figure Syntype, minor. FRENCH GUIANA: Cayenne. Scale bar = 1 mm.