TOMSK, June 20 — RIA Novosti, Yulia Sokolova. Dry and hot weather, the steady this summer in the Tomsk region, caused by the high activity of bird-cherry ermine moth caterpillars have already destroyed cherry bushes along the 12 km coastline of the Black River (a suburb of Tomsk), told RIA Novosti on Monday state inspector of the Regional Office of Rosselkhoznadzor Natalia Shaydulin.
Bird cherry ermine moth (Yponomeuta evonymella) — a small butterfly with a wingspan of up to 26 millimeters. Front wings insect silver-white with five longitudinal rows of black dots, gray hind wings with a fringe around the edges.
Polyzonal Eurasian species is common everywhere, where it grows wild cherry. Larvae whitish, with a number of black spots on the sides and a black head. Caterpillars entwine the branches and leaves of a web, forming an extensive nest within which feed on. With mass reproduction leaves completely destroyed, and trees are covered with a dense web.
"Favorable weather conditions have caused the population of (forest) ermine moth. All next to Tomsk settlements, as well as the regional center, is seen a characteristic for her web, "- said the agency interlocutor.
She added that the distribution center is located in the Black River, on the coast of which (a length of about 12 kilometers and a width of 6 meters), the entire cherry is eaten.
A representative Rosselkhoznadzor said that, most likely, organized in the near future check will show that the pest has spread to other areas of the Tomsk region.
According Shaydulin, ermine moth feeds primarily on leaves of cherry, but it may "spill over" on viburnum. For crops, it is not dangerous.