Revision of the North American species of Amblyderus with a checklist of the world species (Coleoptera : Anthicidae)

The North American species of Amblyderus are revised, and a key is provided . InAmblyderus Pic is placed as a new synonym of Amblyderus. Six species ar e redescribed, and one new species, A. owyhee Chandler, is described from t he Columbia River Plateau. A checklist of the world species and their distr ibutions is included. Lectotypes for Anthicus granularis LeConte, Anthicus pallens LeConte, Amblyderus obesus Casey, Amblyderus albicans Casey and Amb lyderus parviceps Casey are designated. The record of Amblyderus from Puert o Rico is found to be due to a misspelling of the genus Amblycerus Thunberg (Family Chrysomelidae, Bruchinae).