肉桂木蛾(Thymiatris sp.)属鳞翅目木蛾科,以幼虫钻蛀香樟枝干,在韧皮部和髓心中形成坑道,同时还咬食樟叶。危害轻者影响樟树生长,重则断梢折枝使整株树枯死。一、形态特征成虫体长15.0-20.5毫米,翅展29.5-41.0毫米。体银灰色,头黄褐色。触角丝状,长约9毫米,黄褐色。复眼黑色。喙退化,下唇须黄褐色,长约3毫米,向上弯曲,成弧形。前翅近长方形,长为宽的3倍。前翅前缘 Thymiatris sp. Belongs to the Lepidoptera moth family, larvae drinkers camphor branches, phloem and pith in the formation of tunnels, but also bite camphor leaf. Harm light affect the camphor growth, while the shoot tip broken branches so that the entire tree dead. First, morphological characteristics Adult body length 15.0-20.5 mm, wingspan 29.5-41.0 mm. Body silver gray, brown head. Antenna filiform, ca. 9 mm, tan. Compound eyes black. Beak degraded, lower lip yellowish brown, ca. 3 mm, upwardly curved, curved. Forewing nearly rectangular, 3 times longer and wider. Forewing wing