Suppression of Steroid Hormone Release (IMAGE) University of California - Riverside Caption Suppression of steroid hormone release causes developmental delay. Compared to a control (normal) insect on the left, pupariation of the maggot whose steroid hormone release is disrupted is significantly delayed, and the extended larval feeding period gives rise to a big pupa (right). Credit N. Yamanaka, UC Riverside. Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.