none Endocrinology; Reproduction; Life cycle and development; Development; Parasites diseases and disorders; Parasites; Insect parasites; Hosts; Insect hosts Cydia pomonella (Tortricidae); Hormones; Ecdysteroid levels, evidence for hymenopteran parasite origin, larvae; Sexual maturation; Embryonic castration function of hymenopteran parasite ecdysteroids; Larval development; Ecdysteroid level relations, evidence for control by hymenopteran parasite; Hymenopteran parasites; Ascogaster quadridentata; Parasite ecdysteroid release into haemocoel, evidence & functions Ascogaster quadridentata (Braconidae); Hormones; Ecdysteroid release into lepidopteran host haemocoel; Larval development; Third stage egression from lepidopteran host, ecdysteroid release relations; Lepidopteran hosts; Cydia pomonella; Ecdysteroid release into host haemocoel, evidence & function