Fig. 2
![Fig. 2](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs41938-021-00368-8/MediaObjects/41938_2021_368_Fig2_HTML.png)
Effect of keeping-bee hives in a dark bee house compared with keeping them in a normal bee house that has windows and in open apiary on the average number of fallen Varroa mites on white card board sheets (coated with Vaseline) as well as found on broods and alive bees, during September of 2018 and 2019 at Dakahlia governorate