[1]
J. Tomminen and P. Leppänen, “The male genitalia of <i>Monochamus sutor</i> (L.), <i>M. galloprovincialis</i> (Olivier) and <i>M. urussovi</i> (Fischer von Waldheim) (Coleoptera, Cerambycidae)”, Entomol. Fennica, vol. 2, no. 2, pp. 49–51, Jun. 1991.