| nº |
13/3/01 |
19/3/01 |
26/3/01 |
2/4/01 |
10/4/01 |
16/4/01 |
23/4/01 |
30/4/01 |
7/5/01 |
14/5/01 |
| |
|
|
|
|
|
|
|
|
|
|
| 2 |
52 |
132 |
134 |
311 |
209+ |
470 |
616 |
1312 |
682 |
353 |
| 5 |
0 |
1 |
1 |
1 |
2 |
10 |
6 |
11 |
4 |
6 |
| 6 |
1 |
0 |
1 |
9 |
9 |
14 |
13 |
9 |
8 |
5 |
| 7 |
2 |
0 |
1 |
6 |
3 |
9 |
12 |
14 |
8 |
8 |
| 11 |
4 |
3 |
0 |
4 |
3 |
19 |
8 |
9 |
13 |
7 |
| 15 |
3 |
0 |
1 |
0 |
2 |
1 |
4 |
3 |
0 |
4 |
| 19 |
|
7 |
2 |
2 |
1 |
2 |
9 |
7 |
8 |
3 |
| 20 |
|
4 |
0 |
2 |
5 |
6 |
4 |
2 |
2 |
0 |
| 26 |
|
1 |
0 |
0 |
1 |
1 |
1 |
1 |
0 |
0 |
| 29 |
|
2 |
8 |
0 |
2 |
0 |
5 |
12 |
11 |
13 |
| nº |
21/5/01 |
28/5/01 |
4/6/01 |
11/6/01 |
18/6/01 |
25/6/01 |
2/7/01 |
9/7/01 |
16/7/01 |
T0TAL |
| 2 |
990 |
780 |
1197 |
1124 |
1154 |
1246 |
1520 |
1104 |
505 |
13891 |
| 5 |
9 |
7 |
3 |
7 |
4 |
2 |
0 |
0 |
0 |
74 |
| 6 |
5 |
4 |
8 |
10 |
9 |
7 |
1 |
6 |
8 |
127 |
| 7 |
17 |
11 |
24 |
12 |
9 |
36 |
9 |
10 |
28 |
219 |
| 11 |
18 |
12 |
2 |
4 |
1 |
6 |
19 |
4 |
17 |
153 |
| 15 |
1 |
5 |
3 |
1 |
5 |
4 |
1 |
0 |
0 |
38 |
| 19 |
6 |
8 |
23 |
12 |
20 |
9 |
1 |
0 |
2 |
122 |
| 20 |
0 |
0 |
1 |
1 |
5 |
3 |
0 |
21 |
1 |
34 |
| 26 |
1 |
1 |
1 |
1 |
1 |
1 |
0 |
0 |
0 |
11 |
| 29 |
15 |
17 |
12 |
14 |
13 |
12 |
0 |
1 |
2 |
139 |
Evaluation of the
degree of infection was obtained by means of counting the number
of mites in 100 sealed brood cells (50 female cells and 50 drone
cells). Mite counts were made at the start, middle and at the
end of the study.
See bar graphs for each individual hive mite count
|