Figures 5.13

Figures 5.13. A schematic diagram of the hormonal regulation of reproductive events in insects.
The transition from ecdysterone production by the pre-adult prothoracic gland to the adult ovary varies between taxa. (After Raabe 1986)
The transition from ecdysterone production by the pre-adult prothoracic gland to the adult ovary varies between taxa. (After Raabe 1986)