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蚜虫:5~9月发生,它的种类很多,形态各异,体色有黄、绿、黑、褐、灰等。为害时多聚集于叶、茎顶部柔嫩多汁部位吸食,造成叶及生长点卷缩,生长停止,叶片变黄干枯。蚜虫为害的药用植物极多,几乎所有药用植物都受其为害。防治方法:彻底清除杂草,减少其迁入的机会;喷洒乐果1500倍液。蛴螬:南方别名老母虫,北方别名核桃虫,其成虫叫金龟子。成虫与幼虫都能为害作物,以幼虫为害最严重。幼虫是常见的地下害虫,以咬食根、地下茎为主,也咬食地上茎。成虫主要为害地上部分。被为害的药用植物很多,如
Aphids: Occurring from May to September, it has many different forms and body colors including yellow, green, black, brown and gray. Harm more gathered in the leaves, succulent top succulent parts of the top of the suction, resulting in the growth of the leaves and curling, growth stops, the leaves turn yellow and dry. Aphids are very much damaged by medicinal plants, and almost all medicinal plants are harmed by them. Prevention and treatment methods: the complete removal of weeds, reducing the chance of their immigration; spray dimethoate 1500 times solution.蛴 螬: southern alias mother worm, northern alias walnut insect, its adult called beetle. Both adult and larvae can damage crops, the larval damage most serious. Larvae is a common underground pests to bite the root, underground stems, but also bite on the stems. Adults mainly harm the aerial parts. Many medicinal plants have been harmed, such as