| J | F | M | A | M | J | J | A | S | O | N | D | Country | Locality |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 111 | 111 | 111 | India | Aligarh ponds (May-July, 1959 and 1960) | |||||||||
| 111 | 111 | 111 | 111 | 111 | India | Karnataka State | |||||||
| 111 | 111 | 111 | Nepal | Nepal | |||||||||
| 111 | 111 | 111 | 111 | 111 | 111 | 111 | 111 | 111 | 111 | 111 | 111 | Sri Lanka | Sri Lanka |
| 1 | 1 | 1 | 1 | 2 | 4 | 5 | 5 | 4 | 1 | 1 | 1 | Bangladesh | Sylhet Agricultural University (small ditches) |