Appolonius oblongus Tomokuni, 1995

(Fig. 2C)

Material examined. South Korea. Jeju-do: 1 ♂, 2 ♀, 1 nymph, Jeju-si, Seonheul-ri (33.515587, 126.706913), 05.viii.2023, leg. Wonwoong Kim (SCNU) ; 1 ♀, Seonheul-ri (33.511787, 126.705448), same date and collector (SCNU) .

Photographic record. South Korea. Jeju-do: 1 imago, Seogwipo-si, Andeok-myeon, 23.x.2022, photo by Sechae Kim; 1 imago, Seogwipo-si, 03.xii.2023, photo by Sechae Kim.

Distribution. Korea (Jeju Island), Japan (Honshu, Shikoku, Kyushu, Nansei Islands) (Ishikawa & Tomokuni 2012a).

Comments. The specimens from Korea well matches the original description and figure by Tomokuni (1995a). Adults and immatures from Jeju Island were found on the bark of Celtis sinensis Pers. ( Cannabaceae), Machilus thunbergii Siebold & Zucc. ( Lauraceae), and Quercus myrsinifolia Blume ( Fagaceae).