Four paussine species belonging to three different genera are discovered in Shanghai. A new species, Eustra shanghaiensis Song, sp. n., is described, illustrated, and distinguished from the treated congeners. New distributional data or biological notes on Eustra chinensis Bänninger, 1949, Itamus castaneus Schmidt-Goebel, 1846, and Platyrhopalus davidis Fairmaire, 1886 are provided.
Keywords: China; Ectomomyrmes; Eustra; Itamus; Paussinae; Pheidole; Platyrhopalus; Shanghai; myrmecophilous; new species.