Other butterflies will only lay eggs on specific plants such as the famous Monarch butterfly (Danaus plexippus), which lays eggs on, and whose caterpillars eat only Milkweed plants (Asclepias spp.). The female, after mating with a male, will seek out an appropriate host plant on which to lay her eggs.
The iliac crest is the curved superior border of the ilium, the largest of the three bones that merge to form the os coxa, or hip bone. It is located on the superior and lateral edge of the ilium very close to the surface of the skin in the hip region. When a person places their hands on their hips, it is the skin above the iliac crest that they rest their hands on.
The Iliac crest is a place where abdominal muscle attaches and regular strenuous activity can lead to temporary muscle weakness and inflammation. Common symptoms of iliac apophysitis are: Pain which gets worse during exercise, sports sessions or any similar physical activity.