Many species of insect parasitoids not only parasitize hosts but can also feed and kill them.
Certain plants, including mistletoe and dodder, parasitize other plants to obtain water and nutrients.
It was found that Cirrospilus pictus Nee can parasitize in cecidium of Aceria pallida Keifer for the first time.
They discovered that the rafting snails are descendents of sea-floor snails that parasitize corals and sea anemones.
It has one generation a year at Guanzhong district of Shaanxi province, the larvae parasitize in the ovaries of the female flowers.