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一、形态特征成虫体长7～9毫米,全身暗紫铜色,呈金属光泽。头部扁平,复眼肾形,触角锯齿状,11节。前胸背板横长方形,略宽于头部,与鞘翅等宽。前胸背板中央有一突起伸向后方,与中胸愈合。腹部腹面第1～2节愈合,分为5节,腹部背面6节,蓝色发亮。老熟幼
First, morphological characteristics Adult body length 7 ~ 9 mm, body dark copper color, was metallic luster. Head flat, compound kidney kidney, tentacles serrated, 11 knots. Chest back horizontal rectangular, slightly wider than the head, and coleoptile width. There is a protuberance protruding to the back of the central chest and back, and chest healed. Abdomen 1 to 2 ventral heal, divided into 5 sections, 6 abdomen back, blue shiny. Familiar young