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, provinceLatitudeNo. of birds examinedNo. of infected ticks/no. of ticks collected (%)
I. scapularisI. murisI. brunneusI. dentatus
NymphsLarvaeAdult femalesNymphsNymphsLarvaeNymphsLarvae
Thunder Cape, Ontario88°46′32″W2,6440/4 (0)0/3 (0)0/2 (0)0/2 (0)0/2 (0)0/4 (0)
Pelee Island, Ontario82°39′28″W5950/2 (0)0/1 (0)0/1 (0)
Long Point, Ontarioa80°25′59″W to 80°34′36″W21,89423/100 (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 Ontario79°57′32″ to 79°33′15″W4,9291/4 (25.00)0/8 (0)0/9 (0)0/2 (0)0/5 (0)0/24 (0)
Toronto, Ontario79°22′24″W7240/15 (0)0/7 (0)0/2 (0)0/4 (0)0/14 (0)
Prince Edward Point, Ontario76°51′32″W7,5667/80 (8.75)0/1 (0)0/17 (0)0/1 (0)0/5 (0)0/100 (0)
McGill, Quebec73°56′57″W65900000000
Atlantic, Nova Scotia65°44′57″W841/4 (25.00)
Total for all observatories39,09532/209 (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.