A spent adult aquatic insect following laying its eggs on the surface of the water.

The final adult form of mayflies. In this stage the adults are sexually mature, mate, and the females lay eggs in the water. Many females spinners die on the water with their wings spread out flat on their sides

the egg laying stage of the mayfly; overall not as important to the fly fisher as the dun stage; (see mayfly and dun).

Adult or image stage in mayfly development.

Spinner is a term used primarily in the adult film industry and the sex worker industry, but has also gained a small amount of mainstream use.