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Symbiotic bacteria in the pupiparous flies


, : Symbiotic bacteria in the pupiparous flies. Ztschr. f. Morphol. u. Okol. d. Tiere. 20: 368-442. 5 figs., 5 pis

Symbiotic micro-organisms were found in all forms feeding on blood during the whole cycle of their development. A theory is put forward that the symbionts, while occasionally assisting in the digestion of blood, are mainly important for the host as a source of accessory vitamin-like substances.

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