TABLE 3.
Numbers of I. scapularis ticks and other tick species collected from birds that were identified as being infected with B. burgdorferi
| Bird observatory, province | Latitude | No. of birds examined | No. of infected ticks/no. of ticks collected (%)
|
|||||||
|---|---|---|---|---|---|---|---|---|---|---|
|
I. scapularis
|
I. muris
|
I. brunneus
|
I. dentatus
|
|||||||
| Nymphs | Larvae | Adult females | Nymphs | Nymphs | Larvae | Nymphs | Larvae | |||
| Thunder Cape, Ontario | 88°46′32″W | 2,644 | 0/4 (0) | 0/3 (0) | 0/2 (0) | 0/2 (0) | 0/2 (0) | 0/4 (0) | ||
| Pelee Island, Ontario | 82°39′28″W | 595 | 0/2 (0) | 0/1 (0) | 0/1 (0) | |||||
| Long Point, Ontarioa | 80°25′59″W to 80°34′36″W | 21,894 | 23/100 (23.00) | 0/33 (0) | 0/10 (0) | 0/1 (0) | 0/16 (0) | 0/5 (0) | 1/15 (6.67) | 0/128 (0) |
| Haldimand,a Ontario | 79°57′32″ to 79°33′15″W | 4,929 | 1/4 (25.00) | 0/8 (0) | 0/9 (0) | 0/2 (0) | 0/5 (0) | 0/24 (0) | ||
| Toronto, Ontario | 79°22′24″W | 724 | 0/15 (0) | 0/7 (0) | 0/2 (0) | 0/4 (0) | 0/14 (0) | |||
| Prince Edward Point, Ontario | 76°51′32″W | 7,566 | 7/80 (8.75) | 0/1 (0) | 0/17 (0) | 0/1 (0) | 0/5 (0) | 0/100 (0) | ||
| McGill, Quebec | 73°56′57″W | 659 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Atlantic, Nova Scotia | 65°44′57″W | 84 | 1/4 (25.00) | |||||||
| Total for all observatories | 39,095 | 32/209 (15.31) | 0/53 (0) | 0/38 (0) | 0/2 (0) | 0/23 (0) | 0/7 (0) | 1/31 (3.22) | 0/270 (0) | |
a
Long Point and Haldimand each comprise three bird observatories: Old Cut, Breakwater, and Tip; and Rockpoint, Selkirk, and Ruthven, respectively.