秦都区核桃六星黑点蠹蛾发生规律及综合防治措施研究

对核桃六星黑点蠹蛾在秦都区的发生规律进行了调查,结果表明：核桃六星黑点蠹蛾在秦都区1年发生1代,以幼虫在蛀道内越冬,次年核桃春梢抽出后,4月上旬开始为害;4月下旬结茧化蛹,蛹期25～45d;5月下旬为成虫羽化盛期,成虫期4～7d;6月中旬产卵,卵期10～20d;6月下旬到7月上旬幼虫卵化期,9月上旬停止取食,准备越冬。并依照其发生规律制定出了核桃六星黑点蠹蛾综合防治措施。

The Walnut Star Black moth Occurrence regularity and Integrated control measures of in Qindu District

on Walnut Star Black moth in Qindu district the occurrence rules of investigation,the results show that: Walnut Star Black moth in Qindu District 1 years occurred in 1 generations,by the larvae of the moth in the winter,the walnut spring shoots out,early April to late April damage;cocoon pupation,the pupal stage 25~45 d;in late May for adult eclosion fill period,adult stage of 4~7 d;mid June oviposition,egg period of 10~20 d;in late June to early July larvae eggs during early September,stop feeding,prepare winter.And in accordance with the rules formulated the walnut Star Black moth and comprehensive prevention and control measures.