Dectes sayi Dillon & Dillon, 1953
Lamia spinosa Say, 1826: 271 .
Dectes sayi Dillon & Dillon, 1953: 260 (nomen nov.).
Type locality— Syntypes: United States (unknown depository) .
Distribution— Canada: Richelieu River area in southern Quebec, the Great Lakes area in southern Ontario, and the Red River area in southeastern Manitoba. United States: Northeastern United States to Kentucky westward to Kansas and North Dakota.