Californians are spotting swarms of dragonflies flitting around parks, chasing mosquitoes in ponds and hunting flies on farms, a phenomenon experts say was likely fueled by unusually warm spring rains.
Peter Veilleux, who owns a nursery in Oakland, said he started noticing the dragonflies — at one point spotting about 100 flying together — while walking his dog at a park near his house and around the city’s Lake Merritt.
