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东方金龟子(Maladeraorientalis Motschulsky)又名天鹅绒金龟子。属鞘翅目金龟子科,主要分布于内蒙古、东北、河北、山西等地。东方金龟子以成虫危害杨、柳、榆和苹果等树的叶、花和芽,以幼虫危害各种苗木根部,也危害甜菜等农作物。一、形态特征成虫:体长约8～10毫米,黑色体表有丝绒状闪光,触角10节,前胸被板宽大密布细刻点,鞘翅刻点较多,具10条纵裂隆起带,外缘有少数刺毛成列,前足胫节外侧有二齿,长足胫节上生有许多刺毛,跗节有爪一
Maladeraorientalis Motschulsky aka velvet beetle. Coleoptera is a beetle family, mainly located in Inner Mongolia, northeast, Hebei, Shanxi and other places. Oriental beetles to adults harm Yang, Liu, elm and apple trees and other leaves, flowers and buds to larvae endanger the roots of various seedlings, but also endanger the beets and other crops. First, the morphological characteristics Adult: body length of about 8 to 10 mm, velvety black body surface flash, tentacles 10, the chest was broad-mouthed small engraved points, more coleus inscribed points, with 10 longitudinal ruffled belt, The outer edge of a small number of bristles into columns, the front foot tibia lateral bifurcation, there are many long tibia Shuanghuang have a lot of hair, knot a claw a