dobsonfly /ˈdɒbsənˌflaɪ/

• 1. 

  N a large North American neuropterous insect, Corydalis cornutus: the male has elongated horn-like mouthparts and the larva (a hellgrammite or dobson) is used as bait by anglers: suborder Megaloptera 角鱼蛉 [美国英语] → see also hellgrammite