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 nitidula Emery Pheidole triconstricta var. nitidula Emery 1888e: 693, raised to species level by Emery 1906c: 154. Syn.: Pheidole strobeli Emery 1906c: 149, n. syn. ; Pheidole perversa Forel 1908h: 373, n. syn. ; Pheidole perversa subsp. richteri Forel 1909a: 266, n. syn. (provisional, types not located); Pheidole strobeli var. misera Santschi 1916e: 373, synonymy by Santschi 1929d: 282; Pheidole strobeli subsp. silvicola Borgmeier 1927b: 61, n. syn. (provisional, types not located); Pheidole nitidula st. strobeli var. labrata Santschi 1929d: 282, unavailable name (quadrinomial); Pheidole nitidula st. strobeli var. vicina Santschi 1929d: 282, unavailable name (quadrinomial); Pheidole nitidula var. daguerrei Santschi, 193If: 275, n. syn. Raised to species level in this monograph: pampana . types Mus. Civ. Stor. Nat. Genova. Etymology L nitidula , little shining one. diagnosis A member of the fallax group, similar to bergi , cordiceps , dione , eidmanni , and pampana of southern South America, differing as follows. Major: pilosity sparse; rugoreticulum on each side of head extends between eye and antennal fossa and anteriorly almost to border of head; vertex smooth; carinulae originating on frontal lobes not quite reaching midway between level of eyes and level of occiput; pronotal dorsum in dorsal-oblique view weakly bilobous; metanotal convexity in side view symmetrical; carinulae absent from sides of propodeum; postpetiole from above symmetrical. Minor: pilosity sparse; pronotum in dorsal-oblique view feebly bilobate; occiput in frontal view feebly convex, nearly flat, lacking nuchal collar. Measurements (mm) Lectotype major: HW 1.30, HL 1.32, SL 0.84, EL 0.22, PW 0.66. Paralectotype minor: HW 0.68, HL 0.74, SL 0.82, EL 0.18, PW 0.44. Color Major: concolorous reddish brown. Minor: concolorous plain medium brown. Range I have verified material from Buenos Aires, Cordova, Misiones, and Salta in Argentina, and Rio Grande do Sul in Brazil. Kempf (1972b) also reports it from Rio de Janeiro. Biology Unrecorded. Figure Upper: lectotype, major. Lower: paralectotype, minor. ARGENTINA: La Plata, Buenos Aires (C. Spegazzini). Scale bars = 1 mm.