By E. A Steinhaus
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Additional info for Insect Pathology. An Advanced Treatise
Conf. Insect Pathol, and Biol. Control, Praha 1958, pp. 205-210. Savoy, D. 1959. Paralysis in bees. Pchelarstovo, 5, 13-14. Smirnova, Ν. I. 1956. Larval bacteriophage and its use for purposes of diagnosis, prophylaxis, and treatment of American foulbrood in bees. In "Infectious and Protozoan Diseases of Beneficial and Harmful Insects" (V. I. Poltev and M. C. ), pp. 334-340. State Publ. Office of Agricultural Literature, Moscow. Smirnova, Ν. I. 1960. T h e aetiology of European foulbrood and methods of treating it with antibiotics.
Using Drosophila it has been found that doses in the range of 1500 r for first-ins tar larvae to 3500 r for third-instar larvae cause appreciable killing whereas the development of irradiated Calliphora larvae into imagoes is practically unaffected by doses below 1000 r, and irradiation of Culex larvae with doses of about 3000 r or less is essentially without effect on subsequent imago formation (Halberstaedter et al, 1943). Bourgin and his co workers (1956), in a detailed histological study of irradiated Drosophila, were able to delineate two categories of damage: those which appear immediately (within 12 hours after irradiation) and those which remain latent until the time when the pupal stage should begin under normal circumstances.
1932. L a vaccinazione dei bachi da seta. Terza nota preventiva. Boll. ist. sieroterap. , 11, 204-210. Doull, Κ. M. 1961. A theory of the causes of development of epizootics of nosema disease of the honey bee. / . , 3, 297-309. Dubos, R . 1959. "Mirage of Health," 236 pp. Harper, New York. Durham, R. H. 1960. "Encyclopedia of Medical Syndromes," 628 pp. Hoeber (Harper), New York. Eckert, J . E . 1960. Some fundamentals of the chemotherapy of foulbrood bee diseases. Am. , 100, 221-223. Eckert, J .
Insect Pathology. An Advanced Treatise by E. A Steinhaus