沟眶象为鞘翅目Coleoptera象虫科Curculionidae昆虫。分布在北京、天津、山东、河北、河南、江苏、陕西、辽宁、甘肃、四川等地,危害臭椿、千头椿等。成虫体长18.5 mm,略发光,前胸、鞘翅基部的大部分及鞘翅端部1/3处密被乳白色和赭色鳞片,额略窄于喙基部,喙的中隆线两侧各有两个明显的沟。成虫以嫩梢、叶片、叶柄为食,造成树木折枝、伤叶、皮层损坏;幼虫咬食皮层,随 The orbital figure is Coleoptera, the Curculionidae insect. Distributed in Beijing, Tianjin, Shandong, Hebei, Henan, Jiangsu, Shaanxi, Liaoning, Gansu, Sichuan and other places, endangering Ailanthus altissima, Thousand-headed Chun and so on. Adult body length 18.5 mm, slightly glowing, most of the front chest, coleoptile and 1/3 of the end of the coleoptile milky white and ocher scales, slightly narrower than the beak base, the beak on both sides of the midrib two A clear ditch. Adults with young shoots, leaves, petiole for food, resulting in broken branches of trees, leaves, cortex damage; larvae bite the skin, with