摘要
稻瘿蚊在福建连城一年发生７代。以幼虫在再生稻、落谷苗和李氏禾上越冬。越冬幼虫于３月中旬复苏，初孵幼虫借助叶面露湿向心叶或叶鞘缝隙蠕行潜入。幼虫发育与葱管形成同步，并受取食腋芽节位的影响。分蘖盛期稻株主茎上幼虫发育较分蘖上快１—３个虫龄；黄熟期腋芽节位越高幼虫发育越慢，历期相差２—３个虫龄，这是稻瘿蚊世代重叠的主要原因。药剂以１０％益舒宝防治效果最好，次为３％呋喃丹，防治最适时期为幼虫盛孵始期。
Pachydiplosis oryzae Wood-Mason develops 7 generations per year in LianchengCounty of Fujian Province,The pest overwinters with the larva on ratooning rices,seed-dropseedlings and weeds.The overwintering larva reactivates in mid March next year,The develop-ment of larva, population dynamic and chemical control of Pachydiplosis oryzae Wood-Masonare also dealt with in this paper.
出处
《华东昆虫学报》
1995年第2期56-60,共5页
Entomological Journal of East China
