Retired Environmental Protection Agency attorney Marged Harris, a member of the Gloucester Woman’s Club, recently gave a talk to club members on the programs and problems involved with mosquito control. Harris addressed problems with mosquito control in general and in Gloucester and Mathews in particular. She told the audience that there are 55 species of mosquitos in Virginia, with the Asian tiger variety the most prominent in this area. The bite from the female of this species can confer the disease agents for ailments such as malaria and canine heartworms, along with the West Nile and equine encephalitis viruses, she said. These insects are prevalent in the two counties during May through October, said Harris, and are dependent upon water levels, as they lay eggs in still waters. Mosquitos are attracted to the carbon dioxide that humans emit as a natural byproduct of respiration, she said, and personal insect repellents such as Deet and herbal scented sprays work primarily by maskin...