FIGURE 4 in Revision of the Lucanus boileaui group and notes on . takeoi Adachi, 2020 from the . maculifemoratus group (Coleoptera: Lucanidae: Lucaninae)

FIGURE 4. Aedeagus of Lucanus species (H, L, P, T, apex of flagellum). A, E–H, L. jiaozishanus Qi, He, Su & Song, new species (holotype, Kunming, Yunnan); B, I–L, L. ludivinae Boucher, 1998 (Gongshan, Yunnan); C, M–P, L. takeoi Adachi, 2020 (Huidong, Sichuan); D, Q–T, L. boileaui Planet, 1897 (Mabian, Sichuan). F, J, N, R, dorsal view; A–D, E, I, M, Q, ventral view; G, K, O, S, lateral view. Scale bar for H, L, P, T = 0.2 mm, for the others = 1.0 mm.