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.
iliac vein, internal a short trunk formed by union of parietal branches; it extends from the greater sciatic notch to the brim of the pelvis, where it joins the external iliac vein to form the common iliac vein.