Aradus unicolor Kiritshenko, 1913

(Fig. 3B)

Photographic record. South Korea. Jeollabuk-do: 1 ♂, 3 ♀, Buan-gun, Byeonsan Peninsula, 15.vi.2019, photo by WonGun Kim .

Distribution. Korea (Jeollabuk-do), Japan (Honshu, Shikoku, Kyushu, Tsushima Island) (Nagashima & Shono 2012), Russia (Far East: Primorsky Krai) (Kanyukova 1988a).

Comments. Kanyukova (1988a) mentioned that this species is found below the bark of Pinus koraiensis Siebold & Zucc. ( Pinaceae), and Nagashima & Shono (2012) reports that it is found on the mushrooms growing on dead pines. Specimens from Korea were found in numbers under the bark of dead but standing Pinus densiflora Siebold & Zucc. ( Pinaceae).