元宝枫细蛾Caloptilia sp.属鳞翅目细蛾科。在北京主要寄生在元宝枫、五角枫的树叶上。近年来,由于元宝枫细蛾的为害,在红叶观赏盛季,元宝枫却枯叶满冠(图3)。我们于1981—83年对此虫的发生规律与防治方法进行了观察研究,现简要报道如下。 一、形态特征(见图1) 成虫 分夏型与越冬型。夏型:体长4—4.6毫米;头顶鳞毛长,扁平,颜面被鳞光滑,杏黄色;复眼大,黑色;下唇须黄色,细长弯曲,端部褐色;触角长过身体,背面褐色,节间及腹面 Calluses moth Caloptilia sp. Lepidoptera is a small moth family. In Beijing, the main parasitic on the maple, Pentagon maple leaves. In recent years, due to the damage of the moth, the mulberry leaves are full of dead leaves (Figure 3). We observed and studied the law of pest occurrence and prevention in 1981-83, and we briefly report the following. First, the morphological characteristics (see Figure 1) Adult summer and winter type. Summer type: body length 4-4.6 mm; head scale hair long, flat, face smooth scales, apricot; complex eyes large, black; lower lip yellow, slender curved, end brown; antennae longer than the body, the back of the brown Internode and ventral