Table 1 Collection sites with geographical coordinates and a description of the study sites in Sri Lanka
Sampling district | Geographical coordinates of study sites | Description of study sites | Frequency of insecticide application | |
|---|---|---|---|---|
Latitude | Longitude | |||
Colombo | 6°51′16″ | 79°54′11″ | Urban, populated area | Frequent |
Galle | 6°47′00″ | 79°58′00″ | Urban, populated area | Frequent |
Hambanthota | 6°01′00″ | 80°46′60″ | Suburban, semi-populated area | Not frequent |
Puttalum | 8°14′00″ | 79°46′00″ | Suburban, populated area | Not frequent |
Trincomalee | 8°37′00″ | 81°13′00″ | Urban, populated area | Frequent |