产卵选择性试验结果表明，水稻田和茭白田二化螟均喜在茭白植株上产卵。
SSB from both rice and Zizania fields mostly prefer to oviposit on Zizania plants.
试验按跳甲数量和跳甲取食时间设置级别，分别测试了小菜蛾取食面积、生长发育和产卵选择性等参数。
We examined the parameters of feeding area, the growth and the oviposition preference of DBM after setting the levels by the number and feeding time of SFB respectively.
因此，以网室内单位叶面积产卵量为指标基本上能反映出黑刺粉虱对不同茶树品种的寄主选择性。
Therefore, the host preference of Alewocanthus spiniferus to different tea varieties could be basically reflected by the oviposition number per unit in the net laboratory.
成虫产卵对果实的部位以及果实的发育阶段有明显的选择性。
The female insect has a clear selectivity on the location and development stage of the fruit for them to oviposit.
结果表明，烟粉虱成虫取食和产卵对黄瓜品种有一定选择性。
The selection tests on 10 domestic or overseas cucumber strains demonstrated that the tobacco whitefly showed different feeding and egg-laying behaviors to different cucumber strains.
结果表明，烟粉虱成虫取食和产卵对黄瓜品种有一定选择性。
The selection tests on 10 domestic or overseas cucumber strains demonstrated that the tobacco whitefly showed different feeding and egg-laying behaviors to different cucumber strains.
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