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

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