Free Access
Figure 1

Natural mite fall (mites/day) in the four test colonies during July–September 2007 (the line shows mean ± SE across colonies). Mite fall increased significantly across the season (see results for statistics).
Natural mite fall (mites/day) in the four test colonies during July–September 2007 (the line shows mean ± SE across colonies). Mite fall increased significantly across the season (see results for statistics).