Table 1. Characteristics of breeding places and mosquito larvae densities collected in various breeding habitats.
| Province | Locations | Type of factory | Larval habitat | Mean density of larvae/dip |
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| Cx. quinquefasciatus | Cx. gelidus | Cx. sitiens | Cx. vishnui | Cx. pseudovishnui | ||||
| Samut Prakan | A | Battery producer | Industrial | 23 | - | - | - | - |
| B | Battery producer | Industrial | 88 | - | - | - | - | |
| C | Lead smelter | Industrial | - | 64 | - | - | - | |
| D | Lead smelter | Industrial | - | 8 | - | - | - | |
| A | Battery producer | Domestic | 182 | - | - | - | - | |
| E | Battery producer | Domestic | - | 22 | - | - | - | |
| F | Battery producer | Domestic | 172 | - | - | - | - | |
| G | Battery producer | Domestic | - | 32 | - | - | - | |
| H | Battery producer | Domestic | - | - | 106 | - | - | |
| I | Lead smelter | Domestic | 152 | - | - | - | - | |
| J | Lead smelter | Domestic | - | 22 | - | - | - | |
| K | Lead smelter | Domestic | 170 | - | - | - | - | |
| Pathum Thani | L | Non-lead industry | Pond before M | 7 | 5 | 2 | 2 | 2 |
| M | Non-lead industry | Sewage treatment pond | - | - | - | - | - | |
| N | Non-lead industry | Pond after M | 13 | 5 | 3 | 1 | 0 | |
| Bangkok | O | Non-industry | Sewage pond | 118 | - | - | - | - |