海南蔗区甘蔗害虫发生情况及防治对策

Primary Investigation and Control Strategies on the Insect Pests of Sugarcan in Hainan Province

通过一年对海南甘蔗产区9个县(市)30个乡镇进行害虫调查,发现海南甘蔗害虫共有7目36科58种,其中蜚蠊目1科1种,等翅目1科1种,直翅目5科12种,缨翅目1科1种,半翅目11科14种,鞘翅目8科14种,鳞翅目9科15种。木蠹蛾、条螟、蔗根锯天牛、蔗根象、红尾白螟和异岐蔗蝗对海南甘蔗生产具有潜在威胁的害虫种类。总结了甘蔗苗期、生长中期及后期对各类害虫的防治对策,对指导海南蔗区甘蔗生产具有重要意义。

After the investigation on sugarcane pests in 30 towns in Hainan Province from July 2009 to July 2010,a total of 58 pests species were identified which belong to 36 families in 7 orders.One species belongs to 1 family in Blattodea order.One species belongs to 1 family in Isoptera order.Twelve species belong to 5 families in Orthoptera order.One species belongs to 1 family in Thysanoptera order.Fourteen species belong to 11 families in Hemiptera order.Fourteen species belong to 8 families in Coleoptera order.Fifteen species belong to 9 families in Lepidoptera order in sugarcane.Phragmataecia sp.,Proceras venosatus（Walker）,Dorysthenes granulosus（Thomson）,Episomoides albinus Matsumura,Tryporyza intacta Snellen and Hieroglyphus tonkinensis I.Bolivar were the potential harmful insects on sugarcane in Hainan.Several main insects control strategies for seedling,growth metaphase and later stage of sugarcane were described,which is important on guiding the sugarcane production in Hainan Province.