Table 1. Sampling localities and number of specimens included in the investigation.
| species | locality | coordinates | No of samples |
|---|---|---|---|
| C. jadovaensis | Jadova R. | 44.5031, 15.5458 | 8 |
| C. bilineata | Zrmanja R. | 44.1923, 15.7857 | 18 |
| C. dalmatina | Cetina R. (Blato) | 43.4806, 16.8423 | 18 |
| Vinalić | 43.9374, 16.4297 | 2 | |
| C. narentana | Neretva R. in Metković | 43.4806, 16.8423 | 3 |
| Mislina channel | 42.9923, 17.6153 | 9 | |
| Norin | 43.0803, 17.6288 | 15 | |
| Modro oko lake | 43.0575, 17.5102 | 14 | |
| Trebišnjica R. | 42.8682, 17.9778 | 6 | |
| Hutovo blato | 43.0418, 17.7452 | 4 | |
| C. illyrica | Prološko blato | 43.4749, 17.122 | 8 |
| Matica | 43.1752, 17.3865 | 10 | |
| Krenica | 43.3742, 17.331 | 10 | |
| Rastočko field | 43.2081, 17.3992 | 2 | |
| C. herzegoviniensis | Lištica R. | 43.3247, 17.7367 | 11 |