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杏白斑麦蛾在山西一年发生二代,以蛹茧在剪锯口、贴叶下、树皮缝、枝叉处过冬。幼虫主要为害杏、桃,尚有李、樱桃、板沙果、苹果。食叶表皮和叶肉,留一层表皮呈不规则筛网状斑痕,日久干枯。第一代成虫寿命平均3.7~3.9天;卵期16.1天;幼虫期40.1天;蛹期10.5~11.1天。第二代成虫寿命4.75~8.74天;卵期8.2天;幼虫期51.8天;蛹期200.3天。已知幼虫和蛹寄生性天敌有8种,自然寄生率第一代为7.0~9.1%;第二代为25.6~29.8%。80%敌敌畏1500倍、50%辛硫磷1000倍、20%杀灭菊酯3000倍,杀虫效果为90~100%。
Apricot white moth occurs in Shanxi one year, the pupal cocoon cut in the mouth, affixed to the leaves, bark joints, branches and winters. The main damage larvae apricot, peach, there are still plum, cherry, Ban Sha fruit, apple. Leaf epidermis and mesophyll, leaving a layer of the skin is irregular mesh scars, dry time. The first generation of adult life expectancy average 3.7 ~ 3.9 days; oviparous 16.1 days; larvae 40.1 days; pupa 10.5 ~ 11.1 days. The second generation adult life expectancy 4.75 to 8.74 days; Egg 8.2 days; larvae 51.8 days; pupal period 200.3 days. Known larvae and pupae parasitic natural enemies have 8 species, the first generation of natural parasites 7.0 to 9.1%; the second generation of 25.6 to 29.8%. 80% dichlorvos 1500 times, 50% phoxim 1000 times, 20% fenvalerate 3000 times insecticidal effect of 90 to 100%.