天幕毛虫,又叫顶针虫,属鳞翅目枯叶蛾科,它的卵块顶针状排列。危害苹果、梨、桃、李、杏、葡萄、樱桃等,初龄幼虫结网群集危害,稍大后分散危害,主要危害叶片,严重时仅留叶脉,咀爵式口器。此虫一年一代,以孵越冬,第二年4月中下旬孵化活动,结网群集,经过45天左右,到5月下旬化蛹,6 Cemetery caterpillars, also known as thimble insects, Lepidoptera is a lepidoptera, its egg-shaped top needle arrangement. Endangered apple, pear, peach, plum, apricot, grape, cherry, etc., the first instar larvae cluster network damage, slightly larger after the dispersal of hazards, the main hazard leaves, leaves only veins in severe cases, Tsui Jue mouthparts. The worm a year to hatch over the winter, hatching activities in late April the second year, network clusters, after about 45 days, pupation in late May, 6