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甜菜筒喙象的防治冯祥和（山西忻州地区植保站，０３４０００）甜菜筒喙象（ＬｉｘｕｓｓｕｂｔｉｌｉｓＢｏｈｅｍａｎ）是当地甜菜生产上的一种重要苗期害虫，一般虫口密度３～５头／ｍ２。严重田块在２０头／ｍ２以上。此虫占当地甜菜苗期害虫的９０％以上。在山西甜菜...
Prevention and Control of Beetle Beetles Feng Xianghe (Plant Protection Station, Xinzhou Prefecture, Shanxi Province, 034000) Lixussubtilis Boheman is an important seedling pest of beet production in the local area. Its population density is usually 3-5 head / m2. Serious plots in 20 / m2 above. This worm accounts for more than 90% of the local beet seedling pests. In Shanxi beet ...