孫まご太た郎ろう虫むし

noun

hellgrammite; dobsonfly larva

Colloquial name for the larva of the dobsonfly species Protohermes grandis. Often used as fishing bait.

See also: ヘビトンボ

• 川かわで孫まご太た郎ろう虫むしを捕つかまえて釣つりに使つかった。

  I caught some hellgrammites in the river and used them for fishing.