The Juvenile Hormone The larva of an insect makes a hormone which keeps it from changing into a pupa until it has reached its full growth. Recent experiments with this substance have produced both ...

The study found that suppressing gut NPF and blocking NPF receptors in the brain that control juvenile hormones both extend ...

Major workers fight off predators and are bulkier than minor workers that gather food and tend to youngsters. These differences depend on the action of juvenile hormone (JH3), a crucial regulator of ...

The proximate mechanism appears to be variation in juvenile hormone (JH) in the stage immediately prior to emergence of the adult form, although the variation in JH may be determined by events ...

However, a constant release of juvenile hormones keeps these imaginal discs dormant while the caterpillar feeds and grows.