Aedeagi of Quedius recorded from Russia: parameral view (A, E, H, K, N, Q, T), lateral view (B, F, I, L, O, R), underside of paramere (C, G, J, M, P, S, V), median lobe in ventral view (D). Q. japonicus (modified from Smetana 1998) (A–D); Q. fusus (E–G); Q. cinctus (H–J); Q. minor (K–M); Q. kamchaticus (modified from Smetana 1976) (N–P); Q. fuliginosus (Q–S); Q. curtipennis (T–V). Scale bars: 1 mm (Q, R, T, U), 0.8 mm (S, V), 0.5 mm (A, B, E, F, H, I, K, L, N, O), 0.25 mm (C, D, G, J, M, P).