2.Development and Reproduction Migratory flying is synchronous with development of adults.Especially has a close relationship with female development. Migratory flight occurs before female reproduction.Ovaries stop developing during flight.Eggs are laid after landing. Mating can happen before flight,during flight or after flight.Migratory flying is synchronous with development of adults. Especially has a close relationship with female development. ƒ Migratory flight occurs before female reproduction. Ovaries stop developing during flight. Eggs are laid after landing. ƒ Mating can happen before flight, during flight or after flight. 2. Development and Reproduction Development and Reproduction