For an exquisite text from a very well cultured man, Doctor Keith Delaplane, please click on the link below and enjoy the short but well described story on how Varroa jacobsoni became Varroa destructor. http://www.ent.uga.edu/bees/Disorders/guest.htm Docteur André Simoneau, d.m.v. CQIASA Laboratoire de pathologie animale 867, boulevard L'Ange-Gardien L'Assomption, Québec CANADA J5W 4M9 Tél. (450)-589-5745 poste 275 Télécopieur: (450)-589-0648