bark beetle
noun
1- a small wood-boring beetle that tunnels under the bark of trees, which may die if heavily infested树皮甲虫, 小蠧。
1.1
- Family Scolytidae: many genera and species, including the elm bark beetle ( Scolytus scolytus), which is responsible for the spread of the fungus which causes Dutch elm disease.小蠧 科：多属, 多种, 包括传播真菌而造成荷兰榆树疾病的欧洲榆小蠹（拉丁名 Scolytus scolytus）。