Striped Flying Bugs Attacking on Trampoline: Mayflies

UK: Black/white striped flying insects on trampoline, split tail, transparent wings. Wriggle on surface. Swarm jumper, don't flee. Active at dusk.

ID: Mayflies (Ephemeroptera)

• Emerge from water bodies (pond, lake, river nearby).
• Adults live hours-days; no functional mouthparts.
• Attracted to lights; "wriggling" = mating behavior.
• Harmless—don't bite, sting, or damage.

Relief

• Turn off outdoor lights at night.
• Wait it out—emergence lasts days to weeks.
• No control needed or effective.

Sign of healthy aquatic ecosystem. Enjoy the show.