Table 2. Total counts of P. argentipes with sex differentiation and female-to-male ratio recorded using different trap collection methods, and the annual average density of P. argentipes in sentinel sites from March 2018 to February 2020.
| Site | CBNT | LT | Annual average density of P.argentipes | ||
|---|---|---|---|---|---|
| Total | Female to male ratio | Total | Female to male ratio | ||
| Ambanpola | 4,619 | 1:5.3 | 358 | 1:1.1 | 2,488.5 |
| Dickwella | 7,720 | 1:17.8 | 353 | 1:5.1 | 4,036.5 |
| Delft Island | 1,917 | 1:21.8 | 29 | 1:0.9 | 5,838** |
| Welioya | 1,691 | 1:5.4 | 467 | 1:1.0 | 1,079 |
| Mamadala | 8704 | 1:9.6 | 387 | 1:1.3 | 4,545.5 |
| Kataragama | 3,825 | 1:15.4 | 305 | 1:2.1 | 2,065 |
| Mahaoya | 1,859 | 1:3.7 | 226 | 1:1.5 | 1,042.5 |
| Mirigama | 3016 | 1:12.5 | 171 | 1:4.0 | 1,593.5 |
| Peradeniya | 72 | 1:5.0 | 166 | 1:3.7 | 515* |
| Talawa | 2,473 | 1:19.8 | 236 | 1:2.9 | 1,354.5 |
| Total | 35,896 | 1:9.9 | 2,698 | 1:1.8 | 19,297 |
CBNT: P. argentipes collected using cattle-baited net trap
LT: P. argentipes collected using CDC light traps
* Based on 2 Cattle-baited net trap (CBNT) and 24 CDC light trap (LT) cycles collections
** Based on 04 CBNT and 04 LT cycles collections
All the other sites the collection is based on 24 CBNT and 24 LT cycles