Invasion of thousands hordes boyaryshnits butterflies and flies fixed Pervouralsk, Sverdlovsk region. The last three days the insects have settled in and around the city: they clung to buildings and cars of local residents.
"Last year was a lot of butterflies boyaryshnits, they postponed the pupae and so now a lot of them, and the next year even more," — said the chief agronomist SKHPK "Bitimsky" Alexander Galitsky.
Experts say that the insects began to actively proliferate due to good weather conditions. Invasion due to the rapid warming after prolonged cold weather, as well as heavy rains that have been in the region.