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贡嘎蝠蛾卵呈椭圆形，在扫描电镜下卵壳表面分为一般卵壳区和受精孔区：一般卵壳区密布颗粒状突起；受精孔区位于卵端部，呈不规则梨形垫状，精孔开口于突起内侧凹陷上部。贡嘎蝠蛾在6月下旬—7月产卵，散产。在平均温度8－10℃、相对湿度80％－90％，卵的发育历期为50天左右，孵化率75％以上。卵常遭受霉菌和寄生蜂天敌危害。
The eggs of Gongga moths were oval. Under the scanning electron microscope, the egg shell surface was divided into the general oval shell area and the fertilized hole area. The oval shell area was densely covered with granular protrusions. The fertilization hole area was located at the end of egg with an irregular pear-shaped pad Shape, fine hole opening in the upper part of the inner depression. Gongga moths in late June - July spawning, casualties. The average temperature of 8-10 ℃, relative humidity of 80% -90%, egg development period of about 50 days, the hatching rate of 75%. Eggs often suffer mold and parasitic wasps enemy hazards.