fish-fly

• 指一种形似石蝇但体型较小的水生昆虫，其幼虫常被用作钓鱼的鱼饵。

A noun referring to an insect similar to but smaller than the dobsonfly, whose larvae are commonly used as fishing bait.

1. C1formal

   An insect resembling a smaller version of the dobsonfly; its larvae are commonly used as fishing bait.

   鱼蛉

   • The fish-fly larvae are excellent bait for trout fishing.
   • He caught several fish-flies near the riverbank.
   • The fish-fly is often mistaken for its larger relative, the dobsonfly.