Tetrastichus schoenobii is an important egg. parasite of yellow riceborer, Tryporyza incertulas.
螟卵啮小蜂是水稻三化螟重要的卵寄生蜂,其幼虫还能取食三化螟的卵粒。
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The paddy borer is the chief pest of rice in China, causing an annual loss not less than 10% in average years before liberation.
稻螟是我国长期以来的一种严重害虫,解放前因螟害常年损失稻谷10%以上。
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Moreover, it is important also to improve cultural practices, regulate the growth stage of rice and deteriorate the living conditions of the paddy borer in order to avoid or reduce borer injury.