作业帮用英文介绍蜘蛛的益处或者狼蛛的益处.有没有
来源：学生作业帮助网 编辑：作业帮 时间：2024/05/04 23:41:49
用英文介绍蜘蛛的益处或者狼蛛的益处.有没有
用英文介绍蜘蛛的益处或者狼蛛的益处.
有没有
用英文介绍蜘蛛的益处或者狼蛛的益处.有没有
Spiders are harmful to human beings is good,but its contribution,is mainlybeneficial insects.For example,in the fields of spider predation,mostly crop pests.At the same time,many Chinese medicine,are useful spider records of medicine,therefore,has important implications for the conservation and utilization of the spider.Especially the protection of paddy field spiders havethree advantages:one is to effectively stabilize population balance; two is to reduce the rice chemical pesticide residue,guarantee the safety of human and livestock; three is to reduce production costs,increase production can beobtained.So,in the control of crop diseases and insect pests,to promote the use of efficient low toxicity pesticides,development of biological control,protection of natural enemies,the two together.
The spider's variety,wide distribution,strong adaptability,it can live or netting in the soil surface,soil,trees,grass,stone,water,cave,low-lying land,shrubs,mosses,outside the house,or live in fresh water (such as water spider),coastal lake zone (e.g.Lake spider).In short,in the water,land,empty have a spider.
Natural enemies at home are cockroaches,cockroach medicine is more usefulthan some.