The product is called Viron-ZSP and is a water solution. Its active ingredient is the polyhedron virus of the common spruce sawfly nuclear polyhedrosis, with a content of 0.5%. The product belongs to biological preparations and is intended for use in forestry. The manufacturer of the product is DSLP "Kharkivlesozahist", located in Ukraine. The product is used to protect coniferous forests from pests, providing an ecologically safe solution.