1、The species' density of thegypsy moth will be controlled under economic permitted level.(終將舞毒蛾的種群密度控制在經(jīng)濟(jì)允許水平之下。) (好工具h(yuǎn)ao86.com)
2、In stands dominated by trees such as aspen, however, incipientgypsy moth outbreaks are quickly suppressed by viral epidemics.(然而,在以白楊等樹為主的林分,最初的舞毒蛾爆發(fā)很快就被病毒流行病所抑制。)
3、Thegypsy moth is also subject to attack by the nucleopolyhedrosis virus, or wilt disease, a particularly important killer of the caterpillars in outbreak years.(舞毒蛾還會(huì)受到核多角體病毒或萎蔫病的攻擊,在毛蟲爆發(fā)的年代,這是一種特別重要的殺手。)
4、Spiders also attack the much-fearedgypsy moth.(蜘蛛也襲擊令人害怕的舞毒蛾。)