椰子弄蝶(Suastus gremius Fab.)属鳞翅目,弄蝶科,是一种次要的椰子害虫,是印度有记录的三种卷叶虫之一。据记载,幼龄椰树大约有12.5%受这种害虫莳幼虫为害,椰叶受害率可达18%,而以苗圃中的幼苗受害最甚。幼虫折叠小时,藏身其中并取食叶片。一年四季均有发生,而以7—9月为最盛。 The Suaceus gremius Fab. Is a Lepidoptera, Nymphalidae, is a secondary coconut pest and is one of three leafrollers recorded in India. It is reported that about 12.5% ​​of young coconut trees are affected by this pest larvae and the damage rate of coconut leaves is up to 18%, while the seedlings in the nursery are most affected. The larvae fold for hours, hiding them and feeding on the leaves. Occurred throughout the year, but in July-September as the peak.