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生态学报 2002
Preliminary Researches on the Population Increasing Regulation of Rice Water Weevil Lissorhoptrus oryzophilus Kuschel
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Abstract:
In China,rice water weevil (Lissorhoptrus oryzophilus) is a quarantine pest. which was first discovered in Dandong City,Liaoning Province in 1991.Then it was found in 5 cities of Liaoning Province in 1995.The wide occurrence and severe damage of it were spreading quickly in whole Liaoning Province.From 1995 to 1997,this study was carried out at Yiquan town,Donggang City,Liaoning Province where it occurred seriously. The cage used in this study has a steel skeleton screen covering (1m×1m×1.5m in size and 25...
