[墨西哥瓦哈卡州实验室条件下，线虫寄生虫伊氏罗索线虫（线虫纲：索虫科）对埃及伊蚊幼虫（双翅目：蚊科）的致病作用]
[Pathogenic effect of the nematode parasite Romanomermis iyengari(Nematoda: Mermithidae) in Aedes aegypti mosquito larvae (Diptera: Culicidae) under laboratory conditions in the state of Oaxaca, Mexico].
作者信息
Santamarina Mijares A, Pérez Pacheco M C
机构信息
Instituto de Medicina Tropical Pedro Kourí.
出版信息
Rev Cubana Med Trop. 1998;50(1):8-11.
Laboratory tests with waters from Aedes aegypti Linneaus (1762) breeding places were made to determine the pathogenic effect of the mermithid nematode Romanomermis iyengari Welch 1964 in mosquito larvae of this species. According to the results obtained, the administration of a dosage of 10:1 (10 preparasitics per mosquito larvae) showed levels of parasitism of 90, 93, 91, and 85% in mosquito larvae in the I, II, III, and IV stage, respectively. With the highest dosage of 20:1 (20 preparasitics per mosquito larvae) there were obtained levels of parasitism with values of 98, 97, 93 and 89% among larvae in the I, II, III, and IV stage, respectively. Generally, the values of the physical and chemical parameters such as pH, conductivity, oxygen, and chlorides calculated in these waters did not affect apparently the infective capacity of the preparasitics of R. iyengari.
对埃及伊蚊（林奈，1762年）滋生地的水样进行了实验室测试，以确定1964年韦尔奇发现的罗曼索线虫对该物种蚊幼虫的致病作用。根据所得结果，以10:1的剂量（每只蚊幼虫10个寄生前期幼虫）给药时，I、II、III和IV期蚊幼虫的寄生率分别为90%、93%、91%和85%。使用最高剂量20:1（每只蚊幼虫20个寄生前期幼虫）时，I、II、III和IV期幼虫的寄生率分别为98%、97%、93%和89%。一般来说，这些水样中计算出的pH值、电导率、氧气和氯化物等理化参数值显然不会影响伊氏罗曼索线虫寄生前期幼虫的感染能力。
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