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一、引言椰子堆砂蛀蛾(Nephanlis serinopaMeyrick,鳞翅目堆砂蛀蛾科)是印度和斯里兰卡椰子树的严重害虫。在印度,这种害虫在喀拉拉邦的沿海和渍水地区流行。在泰米尔纳德、安得拉、卡纳塔克、里萨、西孟加拉、比哈尔、马哈拉施特拉和古吉拉特等邦也有发生。它现在的分布表明,这种害虫在逐渐向新区(包括内地)蔓延。幼虫在小叶下面用吐丝和排泄物筑成隧道作为它取食和生活的场所。取食叶的下表面,使小叶变褐。为害严重时,较老
I. INTRODUCTION Nephanlis serinopa meeyrick (Lepidoptera sand moth moth family) is a serious pest of coconut trees in India and Sri Lanka. In India, the pests are prevalent in the coastal and waterlogged areas of Kerala. In Tamil Nadu, Andhra Pradesh, Karnataka, Risa, West Bengal, Bihar, Maharashtra and Gujarat also took place. Its current distribution shows that this pest is gradually spreading to new areas (including the hinterland). The larvae build tunnels underneath the leaflets with silking and excrement as a place where they feed and live. The lower surface of the leaf leaves browning the leaflets. Serious damage, older