Abstract

The demonstration of the role of mosquitoes as disease vectors provided the impetus for extensive studies of these insects as laboratory animals. Notwithstanding, there has been little progress toward what might be termed the standardization of the mosquito for laboratory purposes. In particular, there may be considerable variation in the biting characteristics and behavior of Anopheles quadrimaculatus, even under well controlled laboratory conditions. Since preliminary work indicated that larval development has specific effects on the adult mosquito, the present studies were undertaken in an attempt to define some of the intrinsic factors which affect the laboratory biology of A. quadrimaculatus. This report deals with the effects of two extremes of larval population densities on some morphological and physiological characteristics of this mosquito, and the effect of copulation on the avidity of the female for a blood meal.

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