Research Article
Reproductive Biology of Varroa jacobsoni Oud. in Worker and Drone Brood of the Honey Bee Apis mellifera L. under Michigan Conditions
Bee Research Unit, Department of Plant Protection, College of Agriculture, King Saud University, P.O. Box 2460 Riyadh 11451, Saudi Arabia
Roger Hoopingarner
Department of Entomology, Michigan State University, East Lansing, MI 48824 U.S.A