Pheidole trachyderma Emery, 1906 valid
Pheidole risi subsp. trachyderma Emery, 1906c: 148 (s.w.q.) ARGENTINA (Misiones). Neotropic.
Primary type information: Primary type material: lectotype major worker (by designation of Wilson, 2003a: 765). Primary type locality: lectotype Argentina: Misiones, San Pedro (F. Silvestri) (by restriction of Kempf, 1972b: 200). Primary type depository: MSNG. Secondary type information: Secondary type material: 1 paralectotype minor worker. Secondary type locality: same as for lectotype. Secondary type depository: MSNG. Type notes: 1) Original description also cites a syntype queen. 2) Other original syntype localities: Argentina: Bella Vista, Puerto Piray (F. Silvestri), Paraguay: Puerto Bertoni (F. Silvestri).
Obsolete combinations