Table 2 Mean larval burden sizes of I. ricinus and I. trianguliceps found on bank voles at every altitude during 2017 and 2018 in Lifjell and Lærdal.
Altitude (m a.s.l.) | Ixodes sp. | Lifjell | Lærdal | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
2018 | 2017 | 2018 | 2017 | ||||||||||
Spring | Summer | Autumn | Spring | Summer | Autumn | Spring | Summer | Autumn | Spring | Summer | Autumn | ||
100 | I. ricinus | 0.3 ± 0.7 | 0.8 ± 1.0 | 0.2 ± 0.5 | 19.0 ± NA | 0.0 ± 0.0 | 4.8 ± 5.3 | 84.0 ± 25.2 | 19.7 ± 20.3 | 10.5 ± 9.8 | 43.3 ± 32.6 | 6.3 ± 4.6 | 2.1 ± 1.6 |
I. trianguliceps | 1.3 ± 2.2 | 0.2 ± 0.7 | 1.6 ± 3.4 | 0.0 ± NA | 1.0 ± 1.4 | 4.6 ± 6.5 | 0.3 ± 0.6 | 0.1 ± 0.3 | 0.6 ± 15 | 0.0 ± 0.0 | 0.2 ± 0.4 | 1.6 ± 2.8 | |
200 | I. ricinus | 15.0 ± 10.9 | 8.1 ± 7.4 | 2.9 ± 1.6 | NA | NA | NA | 23.8 ± 9.8 | 13.2 ± 9.1 | 8.9 ± 4.9 | 31.6 ± 25.0 | 19.4 ± 19.1 | 4.3 ± 3.0 |
I. trianguliceps | 0.4 ± 1.0 | 0.0 ± 0.0 | 0.9 ± 1.1 | NA | NA | NA | 0.0 ± 0.0 | 0.3 ± 0.7 | 0.4 ± 08 | 0.5 ± 0.9 | 0.1 ± 0.3 | 1.4 ± 3.5 | |
300 | I. ricinus | 1.1 ± 0.7 | 1.5 ± 2.4 | 0.6 ± 1.4 | NA | NA | NA | 19.5 ± 13.7 | 3.1 ± 3.3 | 0.7 ± 1.1 | 10.6 ± 6.9 | 2.8 ± 4.0 | 0.5 ± 0.7 |
I. trianguliceps | 0.0 ± 0.0 | 0.0 ± 0.2 | 1.6 ± 2.8 | NA | NA | NA | 0.0 ± 0.0 | 0.0 ± 0.0 | 0.7 ± 14 | 0.2 ± 0.4 | 0.2 ± 0.4 | 0.4 ± 1.0 | |
400 | I. ricinus | 0.9 ± 1.3 | 0.9 ± 1.9 | 0.0 ± 0.0 | 0.5 ± 1.0 | 0.0 ± 0.0 | 0.0 ± NA | 8.1 ± 7.3 | 1.6 ± 1.6 | 0.2 ± 0.6 | 9.5 ± 15.3 | 1.0 ± 1.4 | 0.3 ± 0.6 |
I. trianguliceps | 0.3 ± 0.6 | 0.6 ± 1.1 | 2.3 ± 4.9 | 0.5 ± 0.6 | 0.0 ± 0.0 | 4.0 ± NA | 0.0 ± 0.0 | 0.0 ± 0.2 | 0.3 ± 05 | 0.3 ± 0.5 | 0.6 ± 1.2 | 1.2 ± 3.3 | |
500 | I. ricinus | 0.5 ± 0.8 | 0.1 ± 0.4 | 0.0 ± 0.2 | 0.5 ± 1.2 | NA | NA | 14.5 ± 8.0 | 4.1 ± 2.6 | 0.0 ± 0.2 | 12.7 ± 10.5 | 2.6 ± 3.2 | 1.0 ± 1.8 |
I. trianguliceps | 0.3 ± 0.6 | 0.5 ± 0.9 | 1.5 ± 3.9 | 1.2 ± 1.3 | NA | NA | 0.1 ± 0.3 | 0.3 ± 1.4 | 0.5 ± 1.9 | 0.1 ± 0.3 | 1.4 ± 4.3 | 1.6 ± 2.3 | |
600 | I. ricinus | 0.2 ± 0.4 | 1.1 ± 1.2 | 0.1 ± 0.3 | 0.0 ± NA | 0.0 ± 0.0 | NA | 13.8 ± 12.9 | 1.6 ± 1.5 | 0.0 ± 0.0 | 2.1 ± 2.6 | 0.4 ± 0.9 | 0.2 ± 0.4 |
I. trianguliceps | 0.4 ± 0.7 | 0.1 ± 0.9 | 0.5 ± 1.1 | 0.0 ± NA | 0.5 ± 0.7 | NA | 0.1 ± 0.4 | 0.0 ± 0.0 | 0.1 ± 0.3 | 0.3 ± 0.8 | 0.5 ± 0.9 | 0.7 ± 1.1 | |
700 | I. ricinus | 2.8 ± 7.9 | 0.0 ± 0.0 | 0.0 ± 0.0 | NA | 0.0 ± NA | NA | 2.0 ± 3.3 | 1.4 ± 1.9 | 0.0 ± 0.0 | 0.3 ± 0.6 | 0.4 ± 0.9 | 0.0 ± 0.0 |
I. trianguliceps | 0.0 ± 0.0 | 1.3 ± 5.9 | 0.2 ± 0.5 | NA | 0.0 ± NA | NA | 0.3 ± 0.8 | 0.1 ± 0.5 | 0.1 ± 0.4 | 0.0 ± 0.0 | 0.2 ± 0.4 | 1.1 ± 3.0 | |
800 | I. ricinus | NA | NA | 0.0 ± 0.0 | 0.0 ± 0.0 | NA | 0.0 ± 0.0 | NA | 0.2 ± 0.4 | 0.0 ± 0.0 | 0.2 ± 0.4 | 0.4 ± 0.9 | 0.2 ± 0.4 |
I. trianguliceps | NA | NA | 0.2 ± 0.7 | 0.0 ± 0.0 | NA | 2.0 ± 1.4 | NA | 0.1 ± 0.4 | 0.5 ± 1.0 | 0.0 ± 0.0 | 0.0 ± 0.0 | 1.0 ± 2.4 | |
900 | I. ricinus | NA | 0.1 ± 0.4 | 0.0 ± 0.0 | NA | NA | NA | NA | 0.9 ± 0.9 | 0.0 ± 0.0 | NA | 0.0 ± 0.0 | NA |
I. trianguliceps | NA | 0.1 ± 0.4 | 0.3 ± 0.8 | NA | NA | NA | NA | 0.0 ± 0.0 | 0.1 ± 0.6 | NA | 0.2 ± 0.7 | NA | |
1000 | I. ricinus | NA | 0.2 ± 0.4 | 0.0 ± 0.0 | NA | 0.0 ± NA | 0.0 ± | NA | 0.0 ± 0.0 | 0.0 ± 0.0 | NA | 0.0 ± NA | 0.0 ± 0.0 |
I. trianguliceps | NA | 0.0 ± 0.0 | 0.4 ± 0.5 | NA | 0.0 ± NA | 0.0 ± NA | NA | 0.0 ± 0.0 | 0.2 ± 0.4 | NA | 0.0 ± NA | 0.0 ± 0.0 | |