斑痣悬茧蜂在各斑块的驻留时间随寄主密度的增加而增加。
The residence time on the patches increased with host density.
随着雌蜂密度增加，寄主蛹的寄生率和平均每头寄生蛹中的子蜂数相应提高，但平均每雌产的子蜂数则逐渐减少。
With an increase in female parasitiod density, there was a corresponding increase in pupal parasitization rate and the average number of progeny per parasitized pupae.
也可以根据防治实际中目标害虫的虫口密度及单株放蜂数量来确定每管的接入寄主数和种蜂数。
Sometimes, the amount of female wasps and hosts in single tube could be based on the density of target pests and the amount of female wasps released on one plant.
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