菜豆象Ａｃａｎｔｈｏｓｃｅｌｉｄｅｓｏｂｔｅｃｔｕｓ(Ｓａｙ)是我国一类进境植物检疫危险性害虫。集安口岸在2 0 0 0年下半年 ,就连续两次截获菜豆象 ,且虫量大。在 2 0 0 0年 1 2月 2 6日从朝鲜入境的0 6 4ｔ芸豆中菜豆象虫口密度平均 2～ 3头 /ｋｇ,最严重袋达 2 50头 / Acanthoscelidesobtectus (Say) is a quarantine pest of the first kind in China. In the second half of 2000, Jialian Port intercepted Phaseolus vulgaris twice in a row and had a large amount of insects. On February 26, 2000, the average population density of beans and pests of kidney beans from 064t in North Korea entering China from February to February averaged 2 to 3 heads / kg and the most severe bag reached 250 heads /