鉄てっ砲ぽう虫むし

noun

longhorn beetle grub

Refers specifically to the larva of the longhorn beetle (カミキリムシ), known for boring into wood. The name 鉄砲虫 (literally 'gun bug') may come from the sound it makes or its shape.

See also: カミキリムシ

• 鉄てっ砲ぽう虫むしは木きの中なかにトンネルを掘ほる。