柳毒蛾Leucoma candida Staudinger和杨毒蛾Leucoma salicis Linnaeus是园林害虫中常出现的蛾子,为害柳、杨树。这两种蛾子外形极相似,一般采用雄性外生殖器来鉴别,也有用触角主干色泽来识别的,但这样仍不易区分。我们认为观察前翅鳞片的形状,便可即刻准确识别:柳毒蛾前翅白色,鳞片宽阔,叶状,先端有齿 Leucoma candida Staudinger and Leucoma salicis Linnaeus are the moths and the poplars often found in garden pests. Both moths are extremely similar in shape and are generally identified by male genitalia and are also identified by the antennal backbone color, but this is still not easy to distinguish. We think the shape of the forewing scales can be instantly and accurately identified: the white wings of the venomous moth, broad scales, leaflike, apex-cords