Some of the migraine medications used to treat or prevent migraine headaches are also used for other conditions. Antidepressants, anticonvulsants, antihistamines, and narcotic pain relievers are all used in migraine therapy.
These insects either have hemimetabolous development, and undergo an incomplete or partial metamorphosis, or holometabolous development, which undergo a complete metamorphosis, including a pupal or resting stage between the larval and adult forms. In hemimetabolous insects, immature stages are called nymphs.
Metamorphosis. Butterflies and moths go through a life cycle known as complete metamorphosis. The stages of their life cycle include: egg, larva, pupa, and adult. Below is a description of each life stage, as well as photographs showing each stage in the life cycle of Papilio polytes, the Common Mormon Butterfly.