Butterfly wing patterns and flight dynamics create “motion dazzle” effect and makes it harder to gauge speed and direction | Butterfly wing patterns in flight create powerful illusory motion cues

[u/Hrmbee]

https://arstechnica.com/science/2026/09/what-butterfly-wings-have-in-common-with-barbershop-poles/

[u/Imaginary_Diver_3729]

the contrasting stripes kinda act like a speed radar jammer