dobsonfly
/ˈdɑbsənˌflaɪ/
noun
- A large insect with long wings and strong jaws, whose larvae (called hellgrammites) live in water and are used as fishing bait.
- Fishermen often dig for dobsonfly larvae near streams.
- The dobsonfly's jaws look fierce but it is harmless to people.
- A dobsonfly landed on the porch light last night.