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Variation in the Time of Release of the Ovarian Development Hormone in Aëdes aegypti

Abstract

EVIDENCE for the release of an ovarian development hormone during a critical period following a blood meal has been derived from ligation and decapitation experiments in both anopheline1,2 and culicine3 mosquitoes. In Aëdes (Stegomyia) aegypti (L.) development of the ovaries beyond the resting-stage (stage 2)4 consists of a two-step process of initiation and promotion3. Development up to stage 3 is initiated in some way within minutes of taking a blood meal ; but promotion of the oocytes from stage 3 to maturity (stage 5) must, apparently, await the release of a hormone, which at 28° C. occurs during a critical period 8–14 hr. later.

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GILLETT, J. Variation in the Time of Release of the Ovarian Development Hormone in Aëdes aegypti . Nature 180, 656–657 (1957). https://doi.org/10.1038/180656a0

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