常見(jiàn)例句The biological control progress of beet armyworm and the prospect were reviewed. 本文綜述了甜菜夜蛾生物防治進(jìn)展以及對(duì)生物防治的展望。Characterization of a Microsporidium Isolated From Larvae of Beet Armyworm, Laphygma exigua H. 一種從甜菜夜蛾分離的微孢子蟲的生物學(xué)特性研究。As a sample pest, Tautz chose the beet armyworm (Spodoptera exigua), a caterpillar that feeds on some 50 plant species. 結(jié)果顯示,蜜蜂實(shí)際上保護(hù)這些植物遠(yuǎn)離毛蟲的侵襲。These results illustrate that the beet armyworm can possibly not overwinter in Nanjing during a chilly winter. 分析南京多年的冬季氣溫,表明某些年份甜菜夜蛾不大可能在南京越冬。And the winter temperature analysis also showed that the beet armyworm did can not survive the winter in some years. 在2001和2002連續(xù)兩年的田間埋蛹越冬試驗(yàn)表明,甜菜夜蛾的越冬死亡率均為100%25。The beet armyworm, Spodoptera exigua (Hubner), is a polyphagous pest with worldwide distribution mainly in tropical and subtropical regions. 從80年代中后期開(kāi)始,甜菜夜蛾連續(xù)多年在我國(guó)各省份爆發(fā)成災(zāi),成為農(nóng)業(yè)生產(chǎn)上的一種災(zāi)難性害蟲。 返回 beet armyworm