Orthostigma bicolor BELOKOBYLSKIJ, 1998

– 1 ♀: No. 140. 1 ♂: No. 144. 2 ♂: No. 273. 1 ♀: KU 26 (28 V 1993). 5 ♀: KU 45 (22–30 VIII 1993) .

– Described from the Primorski Krai of Asiatic Russia by 10 ♀ + 2 ♂ type specimens. New to the fauna of Korea.

– My specimens (7 ♀ + 3 ♂) match the original description (BELOKOBYLSKIJ 1998: 212), but deviating as follows: (1) antenna with 17–21 (females, 17: 1 ♀, 19: 2 ♀, 20: 2 ♀, 21: 1 ♀) and 21–24 (males, 21: 1 ♂ 22: 1 ♂, 24: 1 ♂); (2) first tergite 1.7–1.8(–2) times as long as broad behind; (3) pronotum and mesoscutum as well as metasoma beyond first tergite with variable darkening colour.