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 rosae Forel Pheidole rosae Forel 1901m: 63, replacement name for gertrudae Mayr 1887: 592, primary junior homonym ofgertrudae Forel 1886b: xlii. Syn.: Pheidole silvestrii Emery 1906c: 146, n. syn. Raised to species level inthis monograph: pullula . Types Naturhist. Mus. Wien. Etymology Eponymous. Diagnosis Similar in various characters to species listed above, distinguished as follows. Major: reddish yellow; frontal lobes extended forward as conspicuous lobes, as seen in side view; wide, shallow antennal scrobe present; promesonotum descends abruptly and obliquely to metanotum; postpetiolar node spinose; portions of anterior pronotal dorsum and propodeal dorsum carinulate, and rest of mesosoma smooth and shiny. Minor: several carinulae extend from frontal lobes to occiput, center of occiput carinulate, and rest of posterior dorsal head surface smooth; propodeal spines reduced to denticles. Measurements (mm) Syntype major of synonymous silvestrii : HW 1.40, HL 1.52, SL 0.60, EL 0.16, PW 0.72. Syntype minor of synonymous silvestrii : HW 0.62, HL 0.64, SL 0.58, EL 0.12, PW 0.42. Color Major: concolorous reddish yellow. Minor: concolorous plain medium yellow. Range Recorded from Santa Catarina (type locality) and, as the synonymous " silvestrii , " from Tucuman (type locality), Buenos Aires, and Cordoba, Argentina (Kempf 1972b; W. L. Brown). Biology An inhabitant of subtropical forests. Winged queens and males were present in a nest near Tapia, Tucuman, on 25 January (W. L. Brown). Figure Upper: syntype, major of synonymous P. silvestrii Emery (Santa Catarina, Brazil). Lower: syntype, minor of synonymous P. silvestrii Emery (Quebrada Cainzo, Tucuman, Argentina). Scale bars = 1 mm.