Table 1.
Numbers of Ixodes angustus, I. sculptus, I. kingi, and Dermacentor andersoni organisms positive for infection with Rickettsiaa
| Locality (coordinates) and tick species | Life cycle stage | No. of organisms tested | No. (%) PCR positive |
|---|---|---|---|
| Kootenay NP, BC (49°44′N, 112°50′W) | |||
| I. angustus | Larva | 176 | 45 (26) |
| Nymph | 68 | 3 (4) | |
| Adult | 24 | 1 (4) | |
| D. andersoni | Adult | 2 | 1 (50) |
| Beechy, SK (50°53′N, 107°23′W) | |||
| I. sculptus | Larva | 34 | 0 |
| Nymph | 21 | 0 | |
| Adult | 3 | 0 | |
| I. kingi | Larva | 1 | 0 |
| Nymph | 4 | 0 | |
| Adult | 1 | 0 | |
| D. andersoni | Nymph | 20 | 17 (85) |
| Adult | 20 | 17 (85) | |
| Clavet, SK (51°95′N, 106°45′W) | |||
| I. sculptus | Nymph | 4 | 0 |
a
Results were determined by using PCR analyses of the rickettsial 17-kDa antigen gene.