SEARCH Articles Figures Tables 20-zso-22-epz-ecdysone activity 3-Deoxy-lp,20-dihydroxy ecdysone activity in BN cell bioassay Cell-free assays 22-epz-ecdysone activity Cell-free assays ecdysone activity Ecdysone Ecdysone 22-hemisuccinate activity in Bn cell bioassay Ecdysone metabolism and biological activity Ecdysones Ecdysones biological activity Insecticides Acting as Ecdysone Agonists or Blocking Molting Hormone Activity Tissue bioassays ecdysone activity