Table 3 Tick infestation of birds and B. burgdorfer i s.l. prevalence in I. ricinu s, autumn 2008.
Bird species | No. birds | No. ticks | No. (%) birds infested | Mean no. ticks per infested bird | Borrelia infected larvae/no. larvae examined | Borrelia infected nymphs/no. nymphs examined |
|---|---|---|---|---|---|---|
Migrating birds | Â | Â | Â | Â | Â | Â |
Acrocephalus scirpaceus | 5 | 1 | 1 (20.0) | 1 | 0/1 | Â |
Phylloscopus trochilus | 440 | 44 | 24 (5.5) | 1.8 | 0/21 | 1/23 |
Sylvia curruca | 32 | 4 | 3 (9.4) | 1.3 | 0/3 | 0/1 |
Sylvia communis | 93 | 49 | 17 (18.3) | 2.9 | 1/31 | 0/18 |
Motacilla flava | 3 | 1 | 1 (33.3) | 1 | Â | 0/1 |
Oenanthe oenanthe | 99 | 1 | 1 (1.0) | 1 | Â | 0/1 |
Carduelis cabaret | 8 | 4 | 2 (25) | 2 | 0/2 | 0/2 |
Carduelis cannabina | 41 | 1 | 1 (2.4) | 1 | 0/1 | Â |
Anthus trivialis | 19 | 18 | 7 (36.9) | 2.6 | 0/8 | 1/10 |
Sylvia atricapilla* | 135 | 15 | 6 (4.4) | 2.5 | 0/10 | 0/5 |
Erithacus rubecula* | 179 | 14 | 5 (2.8) | 2.8 | 0/10 | 0/4 |
Turdus iliacus* | 64 | 16 | 2 (3.1) | 8 | 3/4 | 7/12 |
Turdus pilaris* | 48 | 7 | 2 (4.2) | 3.5 | Â | 0/7 |
Turdus philomelos* | 48 | 17 | 3 (6.3) | 5.7 | 0/9 | 0/8 |
Turdus merula* | 161 | 44 | 10 (6.2) | 4.4 | 3/12 | 2/32 |
Emberiza schoeniclus* | 26 | 3 | 2 (7.7) | 1.5 | 0/1 | 0/2 |
Fringilla coelebs* | 258 | 361 | 50 (19.4) | 7.2 | 7/322 | 2/39 |
Fringilla montifringilla* | 48 | 3 | 1 (2.1) | 3 | 0/2 | 0/1 |
Anthus pratensis* | 59 | 2 | 2 (3.4) | 1 | 0/1 | 0/1 |
Resident birds | Â | Â | Â | Â | Â | Â |
Cyanistes caeruleus | 1325 | 6 | 4 (0.3) | 1.5 | 0/1 | 0/5 |
Lophophanes cristatus | 52 | 1 | 1 (1.9) | 1 | Â | 0/1 |
Parus major | 147 | 1 | 1 (0.7) | 1 | 0/1 | Â |
Carduelis chloris | 99 | 1 | 1 (1.0) | 1 | 0/1 | Â |
Troglodytes troglodytes | 150 | 6 | 4 (2.7) | 1.5 | 1/5 | 0/1 |
Total | 3539 | 620 | 151 (4.3) | 4.1 | 15/446 | 13/174 |