Bedbugs feed on Stephen Kells, a University of Minnesota entomologist, at his lab in St. Paul, Minn., Aug. 25, 2010. This month the Environmental Protection Agency and the Centers for Disease Control and Prevention issued a joint statement on bedbug control, and experts are now trying to figure out why bedbugs have made such a come back since the 1990’s. *** Local Caption *** Peau, poils