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日本单蜕盾蚧FioriniajaponicaKuwana在陕西主要危害白皮松。年发生2代,以若虫在针叶上越冬。每年5月中、下旬为第一代孵化盛期,是化学防治最有利时机。雌雄性比2.4:1,雌虫产卵量平均为21粒。发现松蚧阿错小蜂Azotussp.和蚧虫棒小蜂Signiphorinasp.两种天敌,自然寄生率为43.16%,对蚧虫有较强的控制能力。使用40%氧化乐果1000倍液、2000倍液以及80%敌敌畏1000倍液,在第一代若虫孵化期防治,均有较好的杀虫效果。
Japan single-cut scales Kuwana FioriniajaponicaKuwana major white peony in Shaanxi. 2 generations occur in order to nymph winter over the needle. Mid-May and late-July each year are the first-generation incubation period, which is the most opportune time for chemical control. Male to female ratio of 2.4: 1, females spawning an average of 21 tablets. Azotussp was found in pine bug. And Scale Insect Stick Little Bee Signiphorinasp. Natural enemies of two natural enemies, the natural parasitic rate of 43.16%, have a strong control of scale insects. The use of 40% omethoate 1000 times, 2000 times and 80% dichlorvos 1000 times, in the first generation of nymph incubation period control, have better insecticidal effect.