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1980年我县蚊种调查时,发现尚阳、信磊两地采集的按蚊幼虫,体内有白色细长形线虫寄生。解剖四龄幼虫12只,线虫阳性8只,虫数1～5条/只。从蚊幼虫体内逸出之线虫,常扭结成团沉于饲养盆底部,移入湿沙盆后,能迅速钻入砂砾,并继续发育。 1981年7～9月间,又在我县的徐村、江湾等六个乡的7个村采集中华按蚊10批计776只,库蚊2
1980 survey of mosquitoes in our county, found that Shangyang, Xuan Lei collected from the Anopheles larvae, parasites in the body white slender nematode. Twelve fourth-instar larvae were dissected, and 8 were nematode-positive and 1 to 5 insects per locus. Nematodes escaping from mosquito larvae often kink in clusters at the bottom of the feeding basin, move into the wet sand basin, and can quickly drill into the gravel and continue to develop. Between July and September 1981, 776 mosquitoes of Anopheles sinensis were collected in 7 villages of 6 townships, including Xu Village and Jiangwan in our county. Kilograms 2