１９９７年新疆巴州棉铃虫大发生近年来，棉铃虫在巴州连年发生，已成为棉花生产中的大敌。１９９７年为害棉花明显加重，部分乡、村棉田达大发生程度。其发生特点：一是发生早，３月１６日田间初见越冬代成虫，比往年提前１９ｄ，第一代幼虫在巴州５月１２日出现，库尔勒... In 1997, the occurrence of cotton bollworm occurred in Bazhou, Xinjiang. In recent years, the cotton bollworm occurred in Bazhou year after year and has become the enemy of cotton production. Damage to cotton in 1997 significantly increased, some townships, villages cotton fields up to a large extent. The occurrence of the characteristics: First, the occurrence of early, March 16 first generation overwintering adult in the field, 19d earlier than usual, the first generation of larvae in Bavaria on May 12, Korla ...