Crematogaster sordidula var. osakensis Forel, 1900h: 269 (w.) JAPAN. Palearctic.

Primary type information: Primary type material: lectotype worker (by designation of Hosoishi & Ogata, 2016a: 590). Primary type locality: lectotype Japan: Osaka (no collector’s name) (sent by T. Ito). Primary type depository: MHNG. Secondary type information: Secondary type material: paralectotype workers (number not stated). Secondary type locality: same as for lectotype. Secondary type depository: MHNG.