"Semans (1943)" . . "Semans, F. M. 1943. Protozoans parasites of the Orthoptera, with speciel reference to those of Ohio. IV. Classified list of the Protozoan Parazites of the Orthoptera of the World. Classes Mastigophora, Sarcodina, and Sporozoa. The Ohio Journal of Science, 43(5): 221-234." . "Semans (1943)" . . "1943"^^ . . "1943"^^ .