1.直接危害·骚扰、吸血、毒害、致敏，等寄生：蝇、疥螨、蠕行螨，等
•骚扰、吸血、毒害、致敏，等 •寄生：蝇蛆、疥螨、蠕行螨，等 1. 直接危害
1.直接危害2.间接危害：传播疾病机械性传播·生物性传播
2. 间接危害：传播疾病 1. 直接危害 •机械性传播 •生物性传播
Mechanical transmissions(病原体) does notThe disease-producing agentSalmonell (沙门氏multiply in the arthropod, e.g.菌) transmission by the house fly. The arthropod isnot an integral part of the life cycle of the microorganism
Mechanical transmission: The disease-producing agent (病原体) does not multiply in the arthropod, e.g. Salmonella (沙门氏 菌) transmission by the house fly. The arthropod is not an integral part of the life cycle of the microorganism
Biological transmission:The arthropod is an integral part of the life cycle. Thedisease-producing agent may develop or mutiply inthe following manner in the arthropod(a)Only multiplication, e.g. Yersiniapestis(耶尔森氏菌)in fleas.Wuchereria bancrofti(班氏b) Only development, e.g.丝虫) in mosquitoes.c) Multiplication and development, e.g. Plasmodium inmosquitoes.e(登革病毒）(d) Transmitted through eggs: Dengue viruse (
Biological transmission: The arthropod is an integral part of the life cycle. The disease-producing agent may develop or mutiply in the following manner in the arthropod: (a) Only multiplication, e.g. Yersinia pestis (耶尔森 氏 菌)in fleas. (b) Only development, e.g. Wuchereria bancrofti (班氏 丝虫) in mosquitoes. (c) Multiplication and development, e.g. Plasmodium in mosquitoes. (d) Transmitted through eggs: Dengue viruse (登革病毒）
昆虫纲蟹到臭忠
昆虫纲