机构地区: 广东省罗定市农业科学研究所广东罗定527200
出 处: 《湖北农业科学》 2009年第10期2440-2443,共4页
摘 要: 2008年2月至2009年2月,在广东罗定市太平镇和罗镜镇利用性引诱剂对橘小实蝇进行了全年种群动态监测,调查结果显示橘小实蝇已在罗定大量发生、为害。该虫数量4~6月开始迅速上升,6~9月份是发生盛期;10月份虫口密度逐渐下降,12月到翌年2月份种群数量很低。 The population dynamics of Bactrocera dorsalis(Hendel) was monitored from February 2008 to February 2009 in Luoding city,Guangdong province.The result showed that B.dorsalis had occurred seriously and had been detrimental to fruit trees in Luoding.The population increased from April to June rapidly and decreased gradually from October.After that,the population remained low level from December to February of the next year.