白杨小潜细蛾Phyllonorycter populiella(Zeller)、金纹小潜细蛾Phyllonorycter rin-(?)oniella(Matsumura)及白蜡细蛾Gracillariaarsenivi(Ermolaev),这三种细蛾均属于鳞翅目细蛾科,是林木和果树上的重要害虫。因为体型很小、幼期形态特征难以区别。因此,常给教学和防治上造成困难。现将三种细蛾幼期形态上的特征比较如下,仅供参考。 Phyllonorycter populiella (Zeller), Phyllonorycter rin - (?) Oniella (Matsumura) and Gracillariaarsenivi (Ermolaev), all of which belong to the order Lepidoptera, It is an important pest on trees and fruit trees. Because of their small size, young morphological features are difficult to distinguish. Therefore, teaching and prevention are often caused by difficulties. Now three young moths early morphological characteristics are as follows, for reference purposes only.