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. 2017 Jan 11;8(1):9. doi: 10.3390/insects8010009

Figure 1.

Figure 1

Varroa mite infestation levels over time among the Control, Amitraz, and IPM groups. Amitraz treatments in the form of Apivar® strips were administered twice for 56 days beginning on 13 May 2015 and 1 September 2015. Data are shown as the average ± SEM. Bars with different letters within the same sampling date indicate significant differences between treatment groups at that sampling date. Bars with different numbers indicate significant differences within treatment groups over sampling dates.