Tiny eye-biting fly population on the rise in the San Gabriel Valley

Residents in parts of the San Gabriel Valley say they are dealing with an unusual (and painful) nuisance this spring: swarms of tiny insects known as “eye-biting” flies. KTLA's Rachel Menitoff reports on March 27, 2026. Details: https://ktla.com/local-news/eye-biting-flies-san-gabriel-valley-azusa-black-flies-bites/ Watch KTLA streaming live on the free KTLA+ app for Roku, Fire TV, Apple TV and Samsung Smart TVs: https://ktla.com/watch-ktla-on-roku-apple-tv-amazon-fire-tv/