In this group we have in some of the genera a return to the cephalic and thoracic ornamentation by horns or tubercles in the males, as shownin the Coprophaga I however, none of the Canadian species would be thus misplaced by anyone having even a slight acquaintance with the family, as aside from this character the resemblance is slight. From some of the Melolonthinæ they are not so readily distinguished, except by the position of the spiracles, as defined in a previous article.