Catnip repels pest

From New Orleans, at a meeting of the American Chemical Society

LINE IN THE SAND. Termites burrow readily through untreated sand (top) but not through sand treated with catnip oil (bottom). Peterson/USDA Forest Service

Catnip may be the cat’s meow, but the plant’s oil repels roaches and mosquitoes (SN: 9/8/01, p.