Benacus griseus (Say, 1832)

Geographical distribution: Great Lakes region between Canada and United States in the Nearctic region to Honduras in the Neotropical region.

Material from Cuba: La Habana, Marinao, Río Almendares, 24.V.1922, P. J. Bermudez leg., no specimen number (KU); XI.1932, P. J. Bermudez leg., no specimen number (KU) (Cummings 1933). Holguín, Río Mayarí, before Mayarí, 20.II.2001, M. Aldana & L. Fonseca leg., 1 specimen (NHMC) (Aldana and Fonseca 2001).

Habitat: ponds, and estuaries of creeks and rivers; relatively abundant in Cuba, according to Alayo (1967, 1974).