Reproduction of Varroa jacobsoni in cells of Apis mellifera containing one or more mother mites and the distribution of these cells

abeille domestique abejas obreras apis mellifera bee broods biologia biologie biology couvain ectoparasites faux bourdon fertilidad fertilite fertility honeybees hosts infestation insecta insecte utile organisme nuisible parasite parasites pests plagas pupae pupe reino unido reproduction united kingdom useful insects varroa jacobsoni worker bees