New Records of Braconid Parasitoids ( Hymenoptera ) from Paddy Field in China.

记述稻田 寄生蜂 4中国新记录种,1中国大陆新记录种.

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At the same host density the attacking ability decreased with the increase the parasitoid's density.

在同一寄主密度下,寄生蜂密度越大,攻击率越小.

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The results showed that Trichogramma japonicum Ashmead was the dominant species in all these regions.

对江苏和安徽几个不同稻螟发生区螟卵寄生蜂的调查表明,稻螟赤眼蜂为优势种.

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These parasitical wasps help the farmers a lot. They can control the breeding of agricultural insects.

这种寄生蜂是农民的好帮手, 它可以抑制农业害虫的繁殖.

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The parasitoid of the leaf miner , Pnigalio phragmitis Erdos, prefers the third instar to parasitizing.

芦苇格姬小蜂为美洲斑潜蝇的幼虫寄生蜂, 比较喜欢在美洲斑潜蝇的三龄幼虫上寄生.

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