Periplaneta australasiae, Formosa (Morischita and Tsuchimochi, 1926).
Polyphaga saussurei, U.S.S.R. (Zmeev in Pavlovskii, 1948).
Cockroaches [presumably Blatta orientalis, Blattella germanica, and/or Periplaneta americana], Egypt (El-Kholy and Gohar, 1945).
Serratia marcescens Bizio
Synonymy.—Bacillus prodigiosus, Bacterium prodigiosum.
Habitat.—Water, soil, milk, foods, and various insects.
Natural hosts.—Blatta orientalis, Poland (Nicewicz et al., 1946): From intestinal tract. Italy (Spinelli and Reitano, 1932).
Blattella germanica, Canada (Heimpel and West, 1959).
Diploptera punctata, Nauphoeta cinerea, Neostylopyga rhombifolia, Panchlora nivea, Pycnoscelus surinamensis, and Supella supellectilium, U.S.A. (Roth and Willis, unpublished data, 1958): The organism was isolated and identified by Dr. Hillel Levinson, Quartermaster bacteriologist, from dead specimens found in our laboratory colonies which showed the red coloration characteristic of insects that have died with infections of S. marcescens (pl. [16], A, B).
Leucophaea maderae, U.S.A. (Levinson, personal communication, 1958): The organism was isolated from the hemolymph of living insects while attempting to determine the cause of unexplained mortality in our laboratory colony of this insect.