. "Any process that modulates the frequency, rate or extent of the chemical reactions and pathways involving ecdysteroids, a group of polyhydroxylated ketosteroids which initiate post-embryonic development, including the metamorphosis of immature forms and the development of the reproductive system and the maturation of oocytes in adult females." . . . . . "regulation of ecdysteroid metabolic process" . "regulation of ecdysteroid metabolism" . . . . . .