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1978年以来,勐海县的中晚稻秧田期、双季早稻本田期常受到一种犀金龟科(独角仙科)[Dynastidae]异爪犀金龟属[Heteronychus]的光背异爪犀金龟[Heteronychus lioderes Redtenbacher]危害。1981年,此虫在全县中晚稻秧田期危害猖獗,全县估算损失稻种近600万斤。由于此虫毁灭性地危害水稻秧苗,引起了我们的注意。一、危害情况光背异爪犀金龟多在坝区危害。山边田的发生程度、虫口密度高于坝子中心,发生田每亩虫量一般达5～8千头,重者万头
Since 1978, the middle-late rice seedling stage in Menghai County has been affected by a long period of early Honda rice (Hedyotididae) [Dynastidae] Heteronychus [Heteronychus] lioderes redtenbacher] harm. In 1981, the insects in the county late rice seedling dangers rampant, the county estimated loss of nearly 6 million tons of rice. As this worm devastates rice seedlings, caught our attention. First, the damage situation Light back different claws Rhinoceros beetles more harm in the dam area. The incidence of hillside fields, insect population density higher than dam center, the occurrence of field per mu is generally up to 5-8 thousand insect population,