外来入侵害虫——西花蓟马在新疆的发生为害

The Occurrence and Damage of the Exotic Invasive Pest:Western Flower Thrip(Frankliniella occidentalis) in Xinjiang

【目的】西花蓟马是一种世界性的重要害虫,2003年首次在中国北京发现报道。对新疆乌鲁木齐县板房沟乡温室蔬菜上的蓟马进行调查、采样、鉴定,确定蓟马种类,调查为害和发生情况。【结果】西花蓟马在温室黄瓜、西葫芦、西瓜等上均有危害,成虫和若虫主要聚集在花上和叶片上危害,平均有虫数量为西葫芦1315头/花、黄瓜5.724头/花、辣椒2.54.6头/花、西瓜0.45头/花。【结论】经鉴定,乌鲁木齐县板房沟乡蓟马主要为西花蓟马Frankliniella occidentalis。

【Objective】Western flower thrip（Frankliniella occidentalis） is a major pest world wide.In 2003,it was first discovered and reported in Beijing,China.This paper studied the thrips on the vegetables in greenhouse in Banfanggou village of Urumqi county in Xinjiang province.The number of this pest was investigated and samples were collected and identified,and its species were confirmed.【Result】Western flower thrip can harm cucumber,squash and watermelon in greenhouse,imago and nymph harmed flower and leaf primarily.In average,there is 13-15 western flower thrips in each flower in squash,there is 5.7-24 western flower thrips in each flower in cucumber,there is 2.5-4.6 western flower thrips in each flower in capsicum,and there is 0.4-5 western flower thrips in each flower in water melon.【Conclusion】The thrip that happened in Banfanggou village of Urumqi county is Western flower thrip（Frankliniella occidentalise）.