Dytiscus fasciventris Say, 1824
Prince Edward Island: locality data lost, 1974-1983, (5, UPEI); Kings Co.: Launching, 26.VIII.2003, C.G. Majka, (1, CGMC) .
Newly recorded on Prince Edward Island, this species is found in a variety of ponds and marshes, in particular those with sedges; it is an avid predator of early spring mosquito larvae (Larson et al. 2000).