4. Bagous sellatus group

Diagnosis. Median orificial sclerites with U-shaped, hemispherical sclerite (char. 82.2).

Remarks. This group, formed by two North-American species, is characterized by a unique apomorphy consisting of two orificial sclerites uncommon in their shape and doubtfully related to those observed in the species of the B. humeridens group.

Species included. NAR: ¹ B. blatchleyi Tanner, 1943, *¹ B. sellatus LeConte, 1876 .