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柿绒蚧俗称树虱子,又名柿绵蚧、柿毛毡蚧、柿毡蚧、柿粉蚧,属同翅目、绵蚧科昆虫。一、发生规律柿绒蚧1年发生4~6代,各地发生代数因气候条件、营养状况和个体历期不同等影响而有差异。在北京、山东1年发生4~5代,广西5~6代,以初龄至2龄若虫在2~3年生枝条和当年生枝条的基部主干皮层裂缝、粗皮下、树孔、果柄基部及干柿蒂内越冬。翌年4月中、下旬开始出蛰,爬到嫩芽、新梢、叶柄、叶背等处吸食汁液,以后在柿蒂和果实表面固着为害。5月中、下旬成虫交尾,以后雌虫体背逐渐形成卵囊,开
Persimmon scales commonly known as tree lice, also known as persimmon mealybug, persimmon felidae, persimmon felidae, persimmon mealybugs, is a Homoptera, Melanogaster Division insects. First, the occurrence of law Persimmon tick occurred 4 to 6 generations a year, occurred around the algebra due to climatic conditions, nutritional status and the impact of different individual duration there are differences. In Beijing and Shandong, 4 to 5 generations occurred in 1 year and 5 to 6 generations in Guangxi. The first to the 2nd instar nymphs were found in the base of 2 to 3 years old branches and the branches of the main trunk cortex cracks, And dried persimmon Tianyi wintering. The following year in mid-April, late start sting, climb to shoots, shoots, petiole, leaf back and other places to drink juice, and later in persimmon and fruit surface fixation damage. In mid-May, late adult mating, after the female body gradually formed oocysts, open