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Table 1 Effect of keeping-bee hives in a dark bee house compared with keeping in bee house with windows and in open apiary on the average number of fallen Varroa mites on white card board sheets as well as on broods and alive bees, during March of 2018 and 2019 at Dakahlia governorate, Egypt

From: Simple approaches for environmental and mechanical management of the Varroa mite, Varroa destructor Anderson and Trueman (Parasitiformes: Varroidae), on the honey bee, Apis mellifera L. (Hymenoptera: Apidae) in Egypt

Site of keeping

March 2018

March 2019

Sheet

Brooda

Alive beeb

Sheet

Brood

Alive bee

Dark bee house

6.2a

1.2c

2.5c

6.2a

1.3c

2.3c

Bee house

4.3b

1.8b

5.7b

4.5b

2.2b

5.8b

Open apiary

2.5c

3.2a

7.3a

2.8c

3.7a

8.7a

  1. aNumber of Varroa mite on 20 broods
  2. bNumber of Varroa mite on 10 alive bees
  3. Duncan multiple range was significant at 0.05. Means with the same letter are not significantly different. a, b, and c—values in the same column with different superscripts differed significantly