A ‘tornado’ of blood-sucking mosquitoes has blotted out the sun in the skies above Russia.

Millions of the swarming insects could be seen in fast-moving pillars as they rampaged along the eastern coast of Kamchatka.

Eyewitness Alexei, from Ust-Kamchatsk, said: “I drove through the cloud of these mosquitoes for several hundred metres.

“It wasn’t a pleasant experience as I could hardly see the road. I didn’t dare open my windows.

“Giant pillars of mosquitoes were visible everywhere I looked. I could see some of them breaking apart only to get back together into a new tornado.”

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The mosquitos were everywhere (
Image:
The Siberian Times)

Experts told Kamchatka Inform, a news organisation in Russia, that locals should not worry about this swarming, which was a mating phenomenon.

Entomologist Lyudmila Lobkova said: “These are male mosquitoes swarming around one of several females in order to mate - there is nothing wrong with this.:

The swarming males mosquitoes “do not attack humans” , she added.

The tornado of mosquitos (
Image:
The Siberian Times)

Locals say they are used to such swarms but they are worse this year.

One report claims that repellents do not work on the blood-sucking swarms.