1 Scutellum strongly convex, without white spot (Fig. 3-H). Areolet pentagonal (Fig. 4-A) to quadrangular; Median field of postpetiole weakly rugose; area between gastrocoeli rugose; posterior margins of T5–T7 concave (Fig. 2-F).................... L. exhortator (Fabricius) [New to Japan: Hokkaidô, Honshû; Shikoku, Kyûshû; widely distributed in Holarctic region]
- Scutellum moderately convex, with a white spot (Fig. 3-G). Areolet quadrangular (Fig. 4-B); Median field of postpetiole smooth; area between gastrocoeli weakly rugose-punctate; posterior margins of T5–T7 slightly concave (Fig. 3-E)................................................................................ L. kyoheii sp. nov. [Japan: Honshû]