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Role of Cholesterol in House Fly Reproduction


IT is well established that immature insects, including the larvæ of Musca vicina Macq., require a dietary source of sterols for growth and development1,2. Chauvin3 reported that sterols are necessary for reproduction in the German cockroach but did not present supporting evidence or describe the effect of sterol deficiency on the reproductive processses. The house fly, which has been found to lack the mechanism for sterol biosynthesis from 14C-sodium acetate4, utilizes a high percentage of administered 14C-cholesterol in egg production5. The following study was undertaken to determine the effect of dietary cholesterol on reproduction of the house fly.

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  1. 1

    Albritton, E. C., ‘Standard Values in Nutrition and Metabolism’, 28, 295 (WADC Tech. Rep., 1953).

  2. 2

    Levinson, Z. H., and Bergmann, E. D., Biochem. J., 65, 254 (1957).

  3. 3

    Chauvin, M. R., C. R. Acad. Sci., Paris, 229, 902 (1949).

  4. 4

    Robbins, W. E., Kaplanis, J. N., Louloudes, S. J., and Monroe, R. E., Ann. Ent. Soc. America (in the press).

  5. 5

    Kaplanis, J. N., Robbins, W. E., and Tabor, L. A. (unpublished work).

  6. 6

    Chemical Specialty Manufacturers Association. Peet-Grady Method. ‘Soap and Sanitary Chem. Blue Book’, 249, 267 (1955).

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