On August 8, Vitebsk /BelTA correspondent/. The Rossono District Executive Committee is looking for a bloodworm collector, BelTA reports with reference to the official website of the Vitebsk Regional Executive Committee. On September 7, 2013, the Rossono District Executive Committee will hold open tenders in the form of a competition for the right to harvest and (or) purchase chironomid larvae in the territory of Lake Rossono for a period of three years. Legal entities and individual entrepreneurs are invited to participate in the competition. Information on the tender is published in the "auctions" section on the official websites of the Vitebsk Regional Executive Committee and the Rossono District Executive Committee. Bloodworm harvesting is a highly profitable and export-oriented activity, with an annual volume of 30-40 tons.Chironomids (Chironomidae) are a family of dipteran insects. The insect is called a midge due to the characteristic sound produced by the rapid beating of its wings, up to 1,000 beats per second. Adult midges do not feed at all, as their mouthparts are underdeveloped. The larvae of midges (bloodworms) live in the bottom silt and can survive at depths of up to 300 m. They feed on detritus and microorganisms, and some are predators. They are used as fish feed.-0-News of Belarus (BelTA)