Hello, is the silkworm moth of the Wangs a protected animal? Wang's silkworm moth is not a protected animal. Because the insect on the walnut tree is called silkworm moth, which is a kind of castor, and it occurs in walnut tree, pomegranate tree, orange, castor, pepper tree, Ailanthus altissima (Ailanthus altissima), tallow, ginkgo, cinnamon, Camptotheca acuminata, white orchid, Sophora japonica, willow and other plants. Larvae eat leaves and buds, light ones eat leaves into notches or holes, and heavy ones eat all the leaves, mainly distributed in Northeast China, North China, East China and Southwest China.