Rough Endoplasmic Reticulum in Midgut Cells of Mosquitoes (Diptera: Culicidae): Aggregation Stimulated by Juvenile Hormone1

Abstract
We determined whether juvenile hormone induces architectural change in rough endoplasmic reticulum in midgut cells of female Aedes aegypti mosquitoes. Removal of corpora allata or decapitation prevented normal postecdysial as well as post-blood-meal aggregation of the reticulum. Ectopic treatment with an analog of juvenile hormone restored this capacity to aggregate. This demonstrates that juvenile hormone regulates maturation of the midgut in adult mosquitoes.