Myrmus miriformis gracilis Lindberg, 1927

Material examined. CHINA. Inner Mongolia: Arxan [= Aershan], 13–14.viii.2014, swept, leg. W.T. Yang (1 b ♂ NMNS), Hailar, 23.viii.1971, leg. X.Z. Zhang (1 m ♂ IZAS) , Alihe, 12.viii.1981, leg. [S.Z.] Ren (1 m ♀ NKUM) , Heilongjiang [now Inner Mongolia], Genhe, 13.viii.1971, leg. X.Z. Zhang (1 b ♀ IZAS) ; Heilongjiang: Daxing’anling Prefecture, 6.vii.1970 (1 m ♂ 3 m ♀♀ 1 m specimen lacking abdomen IZAS) , Xinlin, 13.vii.1971, leg. X.Z. Zhang (1 b ♀ IZAS) , Wudalianchi, 28.vi.1971, leg. X.Z. Zhang (1 b ♀ IZAS) , same but 13.viii.1971 (3 b ♀♀ IZAS), Yichun, Wuying Distr., 19.vii.1980, leg. [L.Y.] Zheng (1 b ♀ NKUM) , same but 22.vii.1980, leg. [S.Z.] Ren (1 b ♀ NKUM), Hailin, Mt. Weihu, 29.vii.2003, leg. W.B. Zhu (1 b ♂ 1 m ♀ NKUM) .

Distribution. An eastern subspecies of M. miriformis, restricted to Eastern Siberia and the Russian Far East, Mongolia, northern and northeastern China, and the Korean Peninsula (Dolling 2006). The record of M. glabellus from Daxing’anling Prefecture, Heilongjiang (Hsiao 1977), pertains to this subspecies. Its distribution in China can be summarized as follows: Inner Mongolia: Hailar!, Alihe!, Genhe!, Hulunbuir (Nonnaizab 1986, 1999); Heilongjiang!