a huge number of mosquitoes against a cloudy sky above the shoots of pines. swarm of gnats. the mating season in mosquitoes

huge number mosquitoes cloudy sky shoots pines swarm gnats mating season mosquito swarming gnat midge pathogen bloodsucker blackfly animal background fly insect lot air nature dangerous many danger protection malaria motion abstract annoying pine forest ants accumulation sunset agriculture outdoor summer chironomid disease large problem protect silhouette concept parasitic small very landscape wildflies fear fever flight infectious wing spring