Historical notes extracted from a taxonomic revision of American representatives of Sitona Germar are presented. Described as new to science are Sitona alpinensis (Utah to Northwest Territories), bryanti (Arizona), and oregonensis (Oregon to Washington).
Tanner, Vasco M.
"Notes on American Sitona (Coleoptera: Curculionidae), with three new species,"
Great Basin Naturalist: Vol. 47
, Article 18.
Available at: http://scholarsarchive.byu.edu/gbn/vol47/iss1/18