| Isolate | Country | Source | Provided by |
|---|---|---|---|
| UK * | England | I. ricinus | K. J. Cann |
| VS116 * | Switzerland | I. ricinus | O. Péter |
| AR-2 | Netherlands | I. ricinus | |
| M7 | Netherlands | I. ricinus | |
| M19 | Netherlands | I. ricinus | |
| M38 | Netherlands | I. ricinus | |
| M47 | Netherlands | I. ricinus | |
| M49 | Netherlands | I. ricinus | |
| M50 | Netherlands | I. ricinus | |
| M52 | Netherlands | I. ricinus | |
| M53 | Netherlands | I. ricinus |