Small hive beetle, Aethina tumida, populations I: Infestation levels of honeybee colonies, apiaries and regions Sebastian Spiewok, Jeff S. Pettis, Michael Duncan, Robert Spooner-Hart, David Westervelt and Peter NeumannApidologie, 38 6 (2007) 595-605DOI: https://doi.org/10.1051/apido:2007042