Studies of Autogeny in Phlebotomus Papatasi (Scopoli) (Diptera: Psychodidae)1

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Abstract
Absence of blood in the larval diet does not inhibit development of laboratory colonies or prevent autogenous breeding of Phlebotomus Papatasi. At least 6 autogenous laboratory generations can develop on as little as 4.3% protein, 1.3% fat, and 9.6% carbohydrate in the larval diet. No development occurs on a diet of surface soil from the neighborhood of adult resting sites in the Cairo area studied. Autogenous femaks produce fewer eggs than do normally-fed control females. Autogeny appears to be an emergency survival phenomenon that enables P. papatasi to maintain a viable population during periods when no bloodmeal is available. No totally autogenous strain was collected in the Cairo city area.

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