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[关于用伊氏索虫和致乏库蚊索虫作为控制塔吉克苏维埃社会主义共和国吸血蚊虫手段的试验]

[A trial of Romanomermis iyengari and R. culicivorax mermithids as a means for controlling blood-sucking mosquitoes in the Tadzhik SSR].

作者信息

Vladimirova V V, Pridantseva E A, Gafurov A K, Muratova M E

出版信息

Med Parazitol (Mosk). 1990 May-Jun(3):42-5.

PMID:2145503
Abstract

Field trials of R. iyengari and R. culicivorax in the biological control for the mosquito larvae were conducted in Parkhar, Kuibyshevsk, Gissar districts and the outskirts of the city of Dushanbe, the Tadjik SSR. Larvae of Anopheles superpictus, An. pulcherrimus and An. hyrcanus in a dosage of 1-5 thousand intact larvae per sq. m were invaded by mermithids. The mean infection rate was 46 per cent. The maximum infection rate was 98 per cent. It depended on several factors: the dosage of intact larvae, temperature, water salinity, water flowage in the waterbodies and their overgrowth with plants. Slow-flowed rice paddies and flow-free fresh waterbodies turned to be the proper sites for mermithids. The effect was higher in Anopheles than in Culex mosquitos.

摘要

在塔吉克苏维埃社会主义共和国杜尚别市市郊的帕克哈尔、古比雪夫斯克、吉萨尔地区,对伊氏索虫和食蚊索虫进行了控制蚊虫幼虫的生物防治田间试验。每平方米投放1000至5000条未受感染的幼虫,感染了超斑按蚊、美丽按蚊和赫坎按蚊的幼虫。平均感染率为46%,最高感染率为98%。感染率取决于几个因素:未受感染幼虫的投放量、温度、水的盐度、水体中的水流以及水体中植物的过度生长情况。水流缓慢的稻田和无水流的淡水水体是索虫的适宜场所。按蚊的防治效果高于库蚊。

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