ocr: INSECT HORMONES H ORMONES insects. are They very control important many ofother pheromones, insects. and These they are help called many to aspects oft their development and insects to attract their mates. growth. In a dragonfly, for example, hormones control its development from a nymph into an adult dragonfly. Insects also release Dragonfly chemicals that affect the behavior Nymph Dragonfly nymph The nymph turns into ae dragoufly through the action of bormones.