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Bacteria as a Source of Food for Black-Fly Larvæ



BLACK-FLY larvæ (Diptera : Simuliidae) are almost entirely confined to flowing water. They have long been known as ‘filter-feeders’, but the minimum particle-size acceptable as food by the several instars has not been previously investigated. Several authors have reported the occurrence of larvæ in sewage-contaminated waters ; but Petersen1 was apparently the first to suggest that they might feed on suspended particles as small as bacteria.

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  1. 1

    Petersen, Axel, D. Kgl. Danske Vidensk. Selsk. Skrifter, Afd. 8, R., 4 (1924).

  2. 2

    Fredeen, F. J. H., Canadian Ent., 91, 2, 73 (1959).

  3. 3

    Cameron, A. E., Canada Dept. Agric. (Tech.) Bull. 5 (n.s.) (1922).

  4. 4

    Rempel, J. G., and Arnason, A. P., Sci. Agric., 27, 428 (1947).

  5. 5

    Enigk, Karl, Monatshefte für Tierh., 7, 11, 241 (1955).

  6. 6

    Zivkovic, Vera, Serbian Acad. Sci., Special Issue, Book 245 (1955).

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