grain beetle
noun
1- a small beetle which infests grain stores and warehouses谷物甲虫, 锯谷盗（大批滋生于谷仓和仓库的小甲虫）。
1.1
- Cucujidae and other families: several species, in particular the tropical saw-toothed grain beetle (Oryzaephilus surinamensis), now found worldwide.扁甲科及其他科, 数种, 尤指热带的锯谷盗（拉丁名Oryzaephilus surinamensis）, 这种甲虫现在已经遍布全世界。