Discovery and lectotype designation of (Motschulsky) (Coleoptera, Chrysomelidae, Galerucinae, Alticini).

The lectotype of (Motschulsky, 1845) is designated, described, and illustrated. An illustrated key to eight light-colored species known to occur in the western United States is presented. A brief history of Russian entomological collecting in North America during the first half of 19 century, with specimens preserved in Zoological Museum of Moscow University, Moscow and Zoological Institute, St.