柿介壳虫又称毛毡介壳虫,以若虫在2—3年生的枝条皮孔、柿皮缝、芽缝等处过冬,翌年4月下旬气温达24—25℃时即开始活动,并同时形成介壳,固着不动。5月中旬在枝条上发现雄介壳,大小如芝麻粒,长椭圆形。一周后在枝条和叶片上发现大量的雌介壳,米粒大,椭圆形,产卵于腹下,每个雌虫产卵数自51—169个不等;卵:椭圆形、紫红色,卵期约3—4周。6月中旬为孵化盛期;若虫大多在叶背 Persimmon Scale insects, also known as felts scale insects, to nymphs 2-3 year-old branch lenticels, persimmon skin seams, bud joints and other winter, the temperature reached 24-25 ℃ in late April the following year began activities, and at the same time the formation of meso- , Fixed. In mid-May found on the branches of male conch shells, size, such as sesame seeds, oblong. A week after the leaves and leaves found in a large number of female mesenchyme, rice large, oval, spawning in the abdomen, each female number of eggs from 51-169 range; eggs: oval, purple, egg stage About 3-4 weeks. Mid-June for the incubation period; nymphs mostly in the leaves back