二十、四纹丽金龟子四纹丽金龟子俗称豆金龟子,食性很杂,几乎常见的果树、林木、农作物和杂草均受其为害。果树中以葡萄、苹果、梨和山楂受害最重。成虫主要食害叶片,有时也为害果实。被害叶片呈不规则的孔洞,有时仅残存叶脉,使叶片呈网状。其幼虫为害果树的地下组织。成虫体长9—10毫米,头、前胸背板与小盾片为金绿色,鞘翅大部分黄褐色,沿会 Twenty, four Wenli Chafers Four Wenli Chafers commonly known as Beetle, diet is very mixed, almost common fruit trees, trees, crops and weeds are subject to its damage. Fruit trees in grapes, apples, pears and hawthorn victims most. The main adult insect damage leaves, and sometimes fruit damage. The victim leaves showed irregular holes, and sometimes only remaining veins, the leaves were reticular. Its larvae damage fruit trees underground organizations. Adult body length 9-10 mm, head, chest back and scutellum for the gold-green, most of the coleopseous brown, along the will