Gregarina illinensis M. E. Watson
Natural host.—Parcoblatta pensylvanica, U.S.A., Illinois (Watson, 1915, 1916): The intestine of one cockroach was found to contain 25 of these gregarines.
Natural host.—Parcoblatta pensylvanica, U.S.A., Illinois (Watson, 1915, 1916): The intestine of one cockroach was found to contain 25 of these gregarines.