盐城市膜翅目广腰亚目昆虫种类及危害调查

Investigation on varieties of the insects from Symphyta Suborder of Hymenoptera order and their damages in Yancheng City

2014-2016年间,采用踏查与标准地调查相结合的方法,对盐城市膜翅目广腰亚目昆虫的种类、分布与危害情况进行了系统调查。共鉴定出广腰亚目昆虫3科6种,分别为梨简脉茎蜂、玫瑰三节叶蜂、榆三节叶蜂、柳瘿叶蜂、樟叶蜂、杨扁角叶蜂,填补了盐城市该目昆虫记录的空白,较江苏省历史记录新增4种。6种昆虫均为植食性害虫,其中杨扁角叶蜂、玫瑰三节叶蜂为中度以上危害,特别是杨扁角叶蜂危害最重,其风险性R值为1.65,在盐城市属于中度危险的林业有害生物。

A systematic investigation was conducted on the species,distribution and damage of Hymenoptera:Symphyta in Yancheng City by adopting the method of combining route investigation(on the spot)with sample-plot survey form 2014 to 2016.In total,6 species of 3 families,including Janus piri,Arge geei,Arge captive,Pontania bridgmannii,Mesonura rufonota and Stauronematus compressicornis were identified.The investigation filled the gaps in the insect species records of Yancheng,which were four species of new records in Jiangsu Province.The six insects were phytophagous insect,among which Stauronematus compressicornis and Arge captive were occurred over middle degree,especially S.compressicornis severely occurred with 1.65 of is Risk Index,belong to medium danger pest in Yancheng City.