DIMORPHIC DEVELOPMENT OF TRANSPLANTED JUVENILE GONADS OF MOSQUITOES.

Potentially masculine gonads of Aedes stimulans (Diptera: Culicidae) can be induced to become ovaries by exposing larvae to elevated temperatures. A juvenile gonad when transplanted into another larva will become a testis or an ovary in response to stimuli which are wholly intrinsic in the implanted gonad. Humoral factors in the hemocoel of the larval host do not influence the direction of morphogenesis of the implanted organ.