Aedeagi of Quedius recorded from Russia: parameral view (A, D, G, I, K, N. Q, T, W), lateral view (B, E, L, O, R, U, X), underside of paramere (C, F, H, J, M, P, S, V, Y). Q. semiobscurus (A–C); Q. korgeanus (D–F); Q. ryvkini (modified from Smetana and Shavrin 2018) (G, H); Q. aedilis (modified from Smetana and Shavrin 2018) (I, J); Q. scintillans (K–M); Q. lucidulus (N–P); Q. cincticollis (Q–S); Q. riparius (T–V); Q. picipes (W–Y). Scale bars 0.5 mm (A, B, D, E, G, I, K, L, N, O, Q, R, T, U, W, X), 0.25 mm (C, F, H, J, M, P, S, V, Y).