节肢动物概论、蚊、蝇 人体寄生虫学课件宣讲培训.ppt

毛囊蠕形螨;; 医学节肢动物;;;;lice;flea;;tick;;mites;;;scorpion;crayfish;crab;chilopod; ??????????????????????????????? ;马陆;马陆;三、危害;;;;Childs arm exhibiting papular rash due to Sarcoptes scabiei ;;;Demodex folliculorum;Demodex folliculorum;Demodex brevis;The nose of a patient infected with Demodex brevis ;2、间接危害：指节肢动物作为媒介而引起的危害。;传播病原的方式：; 昆虫纲;;二、生活史;; 蚊 Mosquito ;一、形态;Mosquito head showing 2 large compound eyes. ;口器（喙）;;二、生活史;;Anopheles sp egg with tuberculated surface and a distinct float in the center;A newly emerged Anopheles larva ; ; ;Wing scales of Aedes. The scales which are attached to veins are thin and elongated. ;Male genitalia of mosquitoes. Note the 2 angulated structures with fine teeth. These are the claspers used for holding the female during copulation. ;三、生态与生理;2、栖息场所：阴暗、潮湿、不通风之地。;;;;;四、与疾病的关系;五、防制 ; 蝇 Fly;;;二、生活史;;幼虫----蛆;;;三、生态;3、活动与栖息 活动受温度与光线影响，夜晚停留于天花板、电 线、绳索上；善飞翔。;四、常见蝇种 1、舍蝇（家蝇、饭蝇） 2、麻蝇 3、丽蝇（灿蝇） 4、金蝇 5、绿蝇;;;;丽蝇;五、蝇与疾病的关系;;;;六、防制 ;杀虫剂