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lvletro Counties Government Center <br />2099 University Avenue West <br />Saint Paul, MN 55104-3431 <br /> <br />Website: www. mmcd. org <br /> <br />Phone: 651-645-9149 <br />FAX: 651-645-3246 <br />TTY use Minnesota Relay Service <br /> <br />October 21, 2005 <br /> <br />James Norman <br />Ramsey City Administrator <br /> 53 Nowthen Boulevard <br />Ramsey, MN 55303 <br /> <br />Dear Mr. Norman: <br /> <br />Enclosed is a summary of work done by the Metropolitan Mosquito Control District (MMCD) in <br />Ramsey during the 2005 mosquito control season. <br /> <br />MMCD is primarily a region-wide larval control program that targets immature mosquitoes and <br />biting gnats while they develop in water. In early sPring; and after each'significant summer rain, <br />MMCD treats the most productive m°,squito wetlands Within thb DiStrict with a natural soil' <br />bacterium (Bti). The same soil bacterium is used to contrOl immature biting gnats in the rivers <br />and streams of the metro area. These treatments prevent billionS of immature mosquitoes and <br />biting gnats fi:om hatching into adults. The result is significantly fewer mosquitoes and gnats <br />within the District compared to areas that do not receive control. <br /> <br />Control of adult mosquitoes is conducted when there'is a risk of mosquito-borne disease, and <br />when adult m. osquito populations interfere with outdoor activities. MMCD treats parks and <br />recreational areas along with neighborhoods where infestations of mosquitoeS have been <br />identified. MMCD uses synthetic and natural pyretlzroids to control adult mosquitoes. <br />information on both larval and adult control materials used by MMCD can be obtained on our <br />website www.mmcd.org. <br /> <br />During 2005, MMCD continued treating approximately 60,000 catch basins within the <br />metropolitan area. Throughout the country catch basins have proven to be an ideal habitat for <br />mosquitoes that transmit West Nile virus. <br /> <br />LaCrosse encephalitis (LAC) is a viral disease transmitted by a species of mosquito that develops <br />:in old tires, artificial containers and areas in trees that hold water. MMCD monitors both larval <br />and adult populations of this mosquito, and provides control when risk is high, or cases are <br />reported. The District also conducts an aggressive public information program designed to enlist <br />citizens' help in reducing the r/sk of this disease. <br /> <br /> <br />