结膜吸吮线虫实验室感染大绕眼果蝇  

Amiota magna as an Intermediate Host of Thelazia callipaeda under Laboratory Conditions

作　　者：沈继龙[1] 王增贤[1] 罗庆礼[1] 李静[1] 闻慧琴[1] 周银娣[1] 

机构地区：[1]安徽省人畜共患病重点实验室,教育部省部共建重要遗传病基因资源利用重点实验室,安徽省病原生物学实验室,合肥230032

出　　处：《中国寄生虫学与寄生虫病杂志》2009年第4期375-376,共2页Chinese Journal of Parasitology and Parasitic Diseases

基　　金：安徽省国际科技合作项目(No.06088024);安徽医科大学校科研基金(No.2007kj16)~~

摘　　要：在安徽黄山地区捕捉有绕眼习性的果蝇,将结膜吸吮线虫初产蚴混于果汁中,实验室喂饲感染果蝇,常温饲养20d后,检查果蝇的感染情况。结果显示,大绕眼果蝇(Amiota magna)和冈田绕眼果蝇(A.okadai)的阳性率分别为30%(30/100)和21.6%(55/255),两者间的差异无统计学意义(χ2=0.0584,P>0.05)。将采自大绕眼果蝇的结膜吸吮线虫感染期幼虫接种家兔,35d后在兔结膜囊内检获结膜吸吮线虫成虫及其初产蚴,表明在实验室条件下,结膜吸吮线虫可感染大绕眼果蝇。A number of flies around the eyes of a person or around a fruit bait were collected from Huangshan Mountain, and experimentally infected by newborn larvae of Thelazia callipaeda. After 20 days, the flies were examined for T. callipaeda. Following dissection, 3 （30%, 3/10） of Amiota magna, and 55 （21.6%, 55/255） of A. okadai were found infected by T. callipaeda. The susceptibility of T. callipaeda is similar in the two species fruit flies （χ2=0.058 4, P〉 0.05）. The rabbits were infected by infective larvae of T. callipaeda from A. magna. At the 35th day after infection, the newborn larvae and worms of T. callipaeda were found in the conjunctival sac of rabbits. This study suggested that A. magna acts as intermediate host of T. callipaeda under laboratory conditions.

关 键 词：大绕眼果蝇 结膜吸吮线虫 易感性 中间宿主 

分 类 号：R383.17[医药卫生—医学寄生虫学]