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 tetrica Forel Pheidole tetrica Forel 1913m: 226. Types Mus. Hist. Nat. Geneve; Mus. Comp. Zool. Harvard. Etymology L tetrica , harsh, forbidding, allusion unknown. diagnosis Similar in various traits to tarchon and victima , differing as follows. Major: dorsal surface of head, except for frontal triangle and midclypeus, completely covered with carinulae; pronotum covered by "wraparound" carinulae that circle the dorsum to travel along the lower lateral margin; in dorsal-oblique view propodeum descends anteriorly to metanotal groove through a steep face; propodeal spine almost half as long as propodeal basal face and almost vertical to it; postpetiole from above bluntly spinose. Minor: widely spaced carinulae cover almost all the dorsal surface of the head, including occiput; center of mesopleuron and center of side of propodeum with longitudinal carinulae; occiput broad, lacking nuchal collar. Measurements (mm) Holotype major: HW 1.08, HL 1.10, SL 0.62, EL 0.16, PW 0.52. Paratype minor: HW 0.52, HL 0.62, SL 0.64, EL 0.12, PW 0.40. color Major: concolorous yellow with faint reddish tinge. Minor: concolorous yellow. Range Recorded from Santa Catarina and Sao Paulo, Brazil (Kempf 1972b): Biology Unknown. Figure Upper: syntype, major. Lower: syntype, minor. BRAZIL: Ibirama, Santa Catarina. Scale bars = 1 mm.