中国大陆最近发现一种新的外来入侵生物——西花蓟马。由中国农科院科研人员在北京发现的这种昆虫对植物危害性极大 ,日前被确定为危险性外来入侵害虫。近年来 ,蓟马在我国北方栽培作物上突然严重发生 ,并造成明显危害。特别是今年上半年在局部地区爆发成灾 ,其中北京市郊某大 Recently, a new alien invasive organism, western flower thrips, was discovered in mainland China. The insect, found by researchers in Chinese Academy of Agricultural Sciences in Beijing, is extremely harmful to plants and has recently been identified as a dangerous invasive pest. In recent years, thrips have suddenly and severely occurred on cultivated crops in the northern part of our country, causing obvious harm. Especially in the first half of this year, some disasters broke out in some areas, including a big suburban area in Beijing