Aedeagi of Quedius recorded from Russia: parameral view (A, D, G, J, M, Q, T), lateral view (B, E, H, K, N, R, U), underside of paramere (C, F, I, L, O, P, S, V). Q. cruentus (A–C); Q. ochripennis (D–F); Q. fulgidus (G–I); Q. nigrocaeruleus (J–L); Q. invreae (M–O); Q. puncticollis (P); Q. semiaeneus (Q–S); Q. fulvicollis (T–V). Scale bars 0.5 mm (A, B, D, E, G, H, J, K, M, N, P, Q, R, T, U), 0.25 mm (C, F, I, L, O, S, V).