Monomorium nipponense Wheeler, 1906 junior synonym of current valid taxon Monomorium intrudens Smith, 1874
Monomorium nipponense Wheeler, 1906h: 310 (w.) JAPAN. Palearctic.
Primary type information: Primary type material: 7 syntype workers. Primary type locality: Japan: Kanagawa, nr Yokohama (H. Sauter). Primary type depository: MCZC (perhaps also DEIB).
Citations

Extant: 0 valid subspecies (3 synonyms)