twenty-Hydroxyecdysone is a In a natural way transpiring ecdysteroid hormone which controls the ecdysis (moulting) and metamorphosis of arthropods. It is as a result Among the most popular moulting hormones in insects, crabs, etc. It's also a phytoecdysteroid produced by different vegetation, like Cyanotis vaga, Ajuga turkestanica and Rhaponticum c