Russia: well-known resort attacked the choristers cicadas

The phenomenon is not seriously troubled environmentalists.

Entomologists attribute the increase in the number of insects with favorable weather conditions for their reproduction and growth.

Since the end of July at the resort there is no rain and daytime temperatures above 30 degrees.

“A lot of cicadas – a few on each tree. They are chirping very loudly. The power of sound at times up to 100 decibels. It can be heard in the distance more than 500 meters”, – told in the Sochi branch of the Russian geographical society.

In the scale noise the sound level of 100 dB is considered to be extremely loud. A volume can have noise in the subway, thunder, the screech of a running chainsaw, and the performing arts. By European standards, is the maximum sound pressure for headphones player.

According to scientists, the songs of cicadas to help scare off predators.

In Sochi there are large cicadas – more than 6 cm in length. Scientists are concerned that their invasion will have a negative impact on plants.

Adult insects feed on the juice of the leaves and the larvae eat the roots.

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