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Investigation of insect resources in the Northern area of Yanchi County of Ningxia

Li Yuehua,Li Yonghong,Li Min,Zhang Haibo(Yanchi Bureau of Environmental Protection and Forestry,Yanchi 751500,China)  
From 2001 to 2007,the insects on forest lands and grasslands were investigated by artificial capture and light attracting in Gaoshawo Township,Wanglejing Township,Huamachi Township and Fengjigou Township,which are in the Middle and Northern area of Yanchi County.150 boxes of insect specimens were made to record the distributing area and the injury extent of insect species.Prevention and control measures were proposed.There were insects of 151 species in 84 families in 13 orders in this area after preliminary statistics.
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