水稻象甲虫又名稻象甲、水稻象鼻虫、稻象虫。属鞘翅目、象虫科。成虫形似米象,体长5~5.5mm,暗褐色,全身披有灰褐色鳞片;幼虫老熟时体长8mm,体向腹面略弯曲、肥胖,多横皱纹,无足,初见象白色的米饭粒。一、发生情况我县水稻象甲虫从1986年开始零星发生,以后虫量逐年增加,1989、1990年每亩有虫3~5万头,部分田块造成虫害;1990~1991年大发生,每亩有 Aka, like a beetle, a rice weevil, a rice weevil, a rice weevil. Coleoptera, like insects Division. Adult shaped rice elephant, body length 5 ~ 5.5mm, dark brown, body covered with taupe scales; larvae mature body length 8mm, the body slightly curved belly, obesity, and more horizontal wrinkles, lack of first appearance as white Rice grains. First, the occurrence of rice in my county like a beetle sporadic occurred in 1986, after the amount of insects increased year by year, 1989, 1990, 50000 acres per acre insects, some of the plots caused pests; occurred in 1990 to 1991, each There are acres