Table 1.
Locality, co-ordination and sample size of each species used in the present study. Locality numbers refer to the localities shown in Figure 1.
| No. | Locality | Coordinates | Number of specimens examined | ||
|---|---|---|---|---|---|
| Hirudinaria javanica | Hirudinaria manillensis | Hirudinaria sp. | |||
| 1 | Ban Donsala, Na Wa, Nakhon Phanom | 17°34'27.22"N, 104°7'18.64"E | 44 | 82 | 5 |
| 2 | Ban Majang, Na Wa, Nakhon Phanom | 17°36'53.4"N, 104°8'21.9"E | - | 51 | 1 |
| 3 | Ban Nongwang, Tao Ngoi, Sakon Nakhon | 17°45'41.26"N, 103°44'42.00"E | 9 | 4 | - |
| 4 | Phang Khon, Sakon Nakhon | 17°22'29.02"N, 103°40'26.81"E | - | 2 | - |
| 5 | Mueang, Sakon Nakhon | 17°10'52.69"N, 104°7'50.94"E | - | 2 | - |
| 6 | Phu Phan, Sakon Nakhon | 16°54'14.64"N, 103°54'7.50"E | - | 6 | - |
| 7 | Ban Janpen, Tao Ngoi, Sakon Nakhon | 16°55'32.59"N, 104°10'9.31"E | 16 | 1 | - |
| 8 | Ban Nonghai, Khamcha-i, Mukdahan | 16°34'53.92"N, 104°29'29.00"E | 13 | 13 | - |
| 9 | Khong Chai, Kalasin | 16°15'44.76"N, 103°27'22.91"E | - | 28 | - |
| 10 | Ban Thatoom, Mueang, Mahasarakham | 16°10'48.40"N, 103°26'59.30"E | - | 4 | - |
| 11 | Huai E-pong, Phu Wiang, Khon Kaen | 16°43'51.30"N, 102°17'17.00"E | - | 11 | - |
| 12 | Tumbon Bung, Mueang Amnat Charoen | 15°50'21.48"N, 104°27'33.95"E | - | 30 | - |
| 13 | Pa Tio, Yasothon | 15°57'2.81"N, 104°25'12.78"E | - | 3 | - |
| 14 | Khemarat, Ubon Ratchathani | 15°59'11.82"N, 105°8'20.53"E | - | 26 | - |
| 15 | Chaturaphak Phiman, Roi Et | 15°49'59.77"N, 103°31'0.86"E | 1 | 5 | - |
| 16 | Kaset Wisai, Roi Et | 15°39'13.70"N, 103°35'58.39"E | - | 67 | - |
| 17 | Huai Saneng Reservoir, Surin | 14°47'14.70"N, 103°28'34.50"E | - | 11 | - |