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Tomminen, J. and Leppänen, P. 1991. The male genitalia of <i>Monochamus sutor</i> (L.), <i>M. galloprovincialis</i> (Olivier) and <i>M. urussovi</i> (Fischer von Waldheim) (Coleoptera, Cerambycidae). Entomologica Fennica. 2, 2 (Jun. 1991), 49–51. DOI:https://doi.org/10.33338/ef.83534.