发财树因其名遂人愿,树姿优美俊秀,而深受人们的喜爱。但这种生命力极强的树种却常常不明不白的死亡。人们大多把发财树死亡的原因归结为温度低受冻害所致。其实造成不少发财树死亡的罪魁祸首是一种悄悄侵入我国的洋害虫——蔗扁蛾危害所致。蔗扁蛾[Opogona Sacchari(Bojer)]属鳞翅目辉蛾科(Hi-eroxestidae)扁蛾属(Opogonc)。成虫:体色黄褐,体长6mm～8mm,翅展20mm～24mm,前翅棕褐色,中室端部和后缘各有一黑色斑点,前翅后缘有毛束,停息时毛束竖起如鸡尾状。后翅黄褐色,后缘有长毛。后足长,超出后翅端部,胫节有长毛。腹部有两列灰色点。雌虫前翅基部有一黑细线,可达翅中部。卵:淡黄色,卵圆形,长 Fortune tree because of its name people would like, Shuzi beautiful handsome, but by people’s favorite. However, this kind of extremely vigorous species often dies of unknown causes. People most of the reasons for the death of the fortune tree attributed to the low temperature caused by the frost damage. In fact, the culprit in causing the death of many fortune trees is the harm caused by the caterpillar of the malachite caterpillar, which invaded China. Opogona Sacchari (Bojer) belongs to the genus Hi-eroxestidae Opogonc. Adults: body color yellow brown, body length 6mm ~ 8mm, wingspan 20mm ~ 24mm, wings brown, the end of the chamber and the trailing edge of a black spots, forelimb trailing edge of the hair bundle, Tail-shaped. After wing yellow-brown, long hair with trailing edge. Hind foot length, beyond the end of the hind wings, tibia hairy. The abdomen has two rows of gray dots. Females with a thin black line at the base of the forewing up to the mid-wing. Eggs: light yellow, oval, long