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核桃举肢蛾又名核桃黑或黑核桃,近年来,是为害核桃生产的最严重的一种虫害。由于早期危害不明显,特别是大部分幼虫是钻入硬壳内蛀食种仁,所以不好发现,一旦发现落果,或果实变黑时,往往已经错过防治时机。举肢蛾危害盛期多在7月上旬,但防治其危害应该“赶早”。核桃举肢蛾在山东、河北等地区一年发生1~2代,以2代居多,以老熟幼虫在树冠下1~3厘米深的土内、石块下或树干基部皱裂缝内结茧越冬。越冬幼虫化蛹后于第二年5月初开始羽化出土,5月中下旬为羽化出土盛期。成虫
Walnut Lifting moth, also known as walnut black or black walnut, in recent years, is the most serious pest damage walnut production. As the early damage is not obvious, especially most of the larvae are drilled into hard shell moths, it is not good to find, once the found drop fruit, or the fruit is dark, often have missed the timing of prevention and treatment. Limb moth damage peaked in early July, but the prevention and control of its harm should “catch early ”. Walnut Ligustrum lucidum in Shandong, Hebei and other regions occur 1 to 2 generations a year to 2 generations mostly mature larvae in the crown 1 to 3 cm deep soil, stones or crevices within the base of the tree trunk cocoon Winter. Overwintering larvae pupae after the beginning of the second year in early May emergence of unearthed in mid-to late May for the emergence of plunging period. Adult