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 similigena Wheeler Pheidole similigena Wheeler 1937b: 446. types Mus. Comp. Zool. Harvard. Etymology L similigena , similar cheeks (genae), allusion unknown. diagnosis Especially similar to terresi of Hispaniola but also sharing traits with amabilis , arhuaca , citrina , crinita , delicata , hedlundorum , laselva , mallota , melastomae , nitidicollis , and tillandsiarum , differing as follows. Major: light reddish brown; eyes very small, Eye Length less than one-tenth Head Width; head subrectangular, with moderately deep occipital cleft; mesonotal convexity present but rudimentary; carinulae cover most of anterior half of dorsal head surface, and rest of body entirely smooth and shiny; propodeal spines moderately long, and thick at base; postpetiole from above elliptical, with angulate sides. Minor: body almost completely smooth and shiny; eyes relatively small; occiput broad, its margin flat in full-face view; propodeal spines moderately long and thin. Measurements (mm) Lectotype major: HW 0.96, HL 1.08, SL 0.50, EL 0.08, PW 0.46. Paralectotype minor: HW 0.44, HL 0.50, SL 0.44, EL 0.08, PW 0.30. Color Major: concolorous light reddish brown except for gaster, which is medium reddish brown. Minor: concolorous light yellowish brown. Range In addition to the types from Las Villas Province, I have seen specimens from Sierra de Mesa, Pinar del Rio, also in Cuba (Jorge Fontenla). Biology Unknown. figure Upper: lectotype, major. Lower: paralectotype, minor. CUBA: Buenos Aires, Trinidad Mts., Las Villas, 750-1100 m (P. J. Darlington). Scale bars = 1 mm.