Maturation of telotrophic ovary accompanied with ecdysteroidogenic activity and contrastive decrease in ecdysteroids in the whole body of red flour beetle, Tribolium castaneum (Coleoptera: Tenebrionidae)

Ecdysteroids are mainly synthesised in the prothoracic glands, which regulate larval moulting and metamorphosis in insects. After degeneration of the prothoracic gland during pupal–adult metamorphosis, the ovary becomes the source of ecdysteroids in adult females. Here, we demonstrated that the high...

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