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天牛科(Cerambycidae)是鞘翅目(Coleoplera)中一个很大的科。这个科的昆虫都是钻蛀性为害植物,大多数种类是以幼虫蛀害林木,有的为害根部和茎基部,如土天牛属(Dorystenes)等;有的主要为害树干下部,如星天牛属(Anoplophora)等;有的为害整个树干,如白条天牛属(Balocera)等;有的只为害枝条,如筒天牛属(Oberea)等;有的为害伐倒木和乾木材,如家茸天牛(Trichoferus campestris)等,生境各异,较为复杂。
Cerambycidae is a large family of Coleoplera. Insects of this family are all borers, most of which are larvae infesting trees, and some damaging roots and stems, such as Dorystenes, etc .; others are mainly damaging to the lower part of the trunk, Anoplophora, etc .; some damage to the entire trunk, such as the genus Balocera (Balocera); some just for the sake of branches, such as the genus Oxygen (Oberea); some damage to felled wood and dry wood, Beetle (Trichoferus campestris), habitats vary, more complicated.