Camphor silkworm

of the economic insects that spit silk knots. It belongs to the scaly fins, the big silkworms, and is named Dictypoea Japonica Moore. Japan is called camphor or white-haired Taro. It is distributed all over Japan. China is mainly distributed in Liaoning, Heilongjiang, Jilin, Jiangxi, Guangxi and other provinces and regions. In the northeastern provinces because of the food damage of wild walnut trees, so called walnut silkworms or silkworms. Complete a generation each year to egg winter.the northeastern provinces began feathering in late August, with a large number of feathers in mid-September, with 5-8 p.m. as the peak of feathering. Insect wings spread 10-13cm, body length of about 3, 5cm, wing brown, gray-brown, purple-brown, orange-yellow-brown and so on. The front wing from the top to the back edge has brown pattern 2, there is silver-grey twill, the outer edge of the twill has a half-moon-shaped transparent pattern, the rear wing near the outer edge has a wave line 3, the center has a round purple-black pattern. Insects do not move during the day, the night began activities, 3-7 in the morning for the mating period, mating about 12 hours away from the pair, generally spawned in the trunk base 1m from the ground up and down the bark gap, eggs into pieces, each egg number is not the same, less dozens of grains, more than a hundred grains. Each moth lays more than 300 eggs, the initial egg is grayish-white, and after a few hours it becomes grayish-brown and maroon-colored. The eggs have glial bonding, not easy to peel, the eggs are sharp oval shape, long diameter 2.2-2.5mm, short diameter 1.0-1.3mm, the top has a gray black dot. Eggs can be used as red-eyed bee hosts.in the wild, the larvae lay about mid-to-late May, with 4 or 5 sleeps. 4-year-old pre-body black, clustered on the back of the leaf, 4-year-old body color yellow-green, began to spread over the branches.can draw silk, silk quality is excellent, can be used as raw materials, can weave a variety of beautiful, strong, durable fabrics. In addition, the silk glands can be removed from the belly of the cooked silkworm, soaked in vinegar and then the silk glands lengthed out for fishing silk.chestnut silkworm feed plant species are many, mainly walnuts, chestnuts, apricot trees, maple poplars, mistletoe, eucalyptus, camphor, eucalyptus and other leaves, walnut leaves are heavier and layer weight, eater and chestnut leaves are poor.