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Colony collapse disorder of honeybees (1) |
Colony losses (1) |
Future perspectives (1) |
Honeybee (Apis mellifera) (1) |
Honeybee -- Diseases (1) |
Pollination by bees (1) |
Sustainable control (1) |
Varroa destructor (1) |
Varroa disease (1) |
Now showing items 1-9