ambrosia beetle
noun
1- a small dark wood-boring beetle whose adults and larvae both feed on ambrosia produced by fungus in the wood长小蠹。
1.1
- Genus Platypus (family Platypodidae), and Xyleborus and other genera (family Scolytidae).长小蠹属（长小蠹科）, 材小蠹及其他属（小蠹科）。