Free Access
Review
Table I.
The prevalence of infected ticks in nature and the study of vertical and transovarian transmission of SFG Rickettsiae (transovarial transmission rate (TOT): proportion of infected females giving rise to at least one positive egg or larva).
| Rickettsia | Tick species | Infection rate (%) | TOT (%) |
|---|---|---|---|
| R. conorii | Rh. sanguineus | 0–1.4 | 100* |
| R. rickettsii | D. andersoni | 0.26–1.5 | 100* |
| D. variabilis | 0.0143–1.3 | 30–40 | |
| R. africae | A. hebraeum | 20–30 | 100 |
| A. variegatum | 27–100 | Yes | |
| R. massiliae | Rh. turanicus | 0.7–50 | 100 |
| R. slovaca | D. marginatus | 7.2–40.6 | 100 |
| R. rhipicephali | Dermacentor sp. | 1.26–1.32 | 38–100 |
| R. sibirica | D. nuttalli | 12 | 100 |
| R. bellii | Amblyomma sp. | 1.4–17.4 | NS |
| I. loricatus | 60.9 | 100 | |
| Dermacentor sp. | 1.3–2.2 | NS | |
| R. helvetica | I. ricinus | 0.6–46.45 | 100 |
| R. peacockii | D. andersoni | 66 | 73.3 |
| R. monacensis | I. ricinus | 2.4–52.9 | NS |
| R. aeschlimannii | H. marginatum marginatum | 1.8–57.9 | Yes |
| R. amblyommii | Amblyomma sp. | 3.7–23.6 | Yes |
| R. raoultii | D. reticulatus | 5.6–23 | NS |
| D. marginatus | 22.5–83.3 | 86.4–100 |