寄生虫学《医学节肢动物各论蚊蝇螨蚤》精美课件.pptx

医学节肢动物各 论 ;本次课重点内容;Mosquito; 双翅目-蚊科。有3亚科，38属，3350多种和亚种。我国有400多种。 按蚊属、库蚊属和伊蚊属与疾病关系密切。 蚊是最重要的医学节肢动物。;Morphology of mosquito adult;;;Structure of proboscis;Morphology of mosquito adult;Table 20-2-1 三属蚊各期形态主要区别;Differential characteristics of adult of Anopheles, Culex, Aedes.;-Palp 触须;-Resting position 停落姿态;-Wing 翅;;;Larva 幼虫;Life cycle; 1.Breeding habits;--Understanding breeding habits is important on the investigation and control of mosquito .;1.田塘型 稻田、沼泽、水库等。 中华按蚊、三带喙库蚊 ;山间小溪 、 灌溉沟渠。 微小按蚊;丛林浓荫下山溪、石穴等 。大劣按蚊;稀粪池、水沟等。 致倦库蚊、淡色库蚊 ;雨后树洞、瓦罐、水缸等积水。 白纹伊蚊、埃及伊蚊;;2. Mating(成蚊交配);3. Blood-sucking habits (吸血习性);4. Resting sites of the adults (栖息习性);5. Seasonal fluctuation(季节消长);(1) Judgment of the species; (2) Presumption of insect-borne disease epidemic time; (3) Choose the best time of control mosquito.; 6. Hibernate (越冬);An.sinensis 中华按蚊;Cx.p.quinque fasciatus 致倦库蚊;Arbo-diseases ;Control ; ;Morphology of fly adult;Disease-related morphous;2. Large oral disc with pseudotracheae;; 3. On the pulvillus have sticky hairs and mucus.;;Bionomics and Habits;-Feces：大头金蝇、厩腐蝇、厕蝇、麻蝇等 -Garbage ：舍蝇、丝光绿蝇等 -Putrid plants ：麻蝇、厕蝇、厩腐蝇等 -Putrid animal meat：丝光绿蝇、大头金蝇等;2. Feeding;3. Activation and Resting sites of the adults:;1. Mechanical transmission: (1) Flies have characteristics conducive to the spread of disease:; 2. Biological transmission; 流行非洲，寄生于人脑脊髓液中，由一种吸血的采采蝇（舌蝇）进行传播，感染后引起患者嗜睡，昏迷直至死亡，也称昏睡病。;;3. Myiasis(蝇蛆病) ;Eye myiasis; 1998年12月8日，有一老人到鹿寨县医院看病，称鼻子痛，医生发现其鼻腔内肉已沤烂，里面满是蛆虫，在12天内从其鼻腔内取出83条蛆虫。;Cutaneous myiasis;舍蝇;蚤;Morphology of flea adult;Egg Larva Pupa Adult; 1. Harassment and Sucking blood: 2.Parasitism： Tungiasis(潜蚤病): Tunga penetrans (穿皮潜蚤);3. Disease transmission： Plague(鼠疫): Yersinia pestis; The structures related to transmitting plague.;;Plague!;3. Disease transmission： Plague(鼠疫): Yersinia pestis Murine typhus(鼠型斑疹伤寒):Rickettsia mooseri Cestodiasis(绦虫病)：;恙螨 ;Larva of Leptotrombidium deliensis