Figure 1:
(A–D) floor drain types (1–4); (E) water permanently retained in the bottom of all drain types; (F) medium size pot and saucer; (G) 65 liter water barrels; (H) ridges and grooves on the surface of pot saucers.
Table 1.
Mortality rate (%) of Aedes aegypti L3/L4 in four types of floor drains, seven days after treatment with Heterorhabditis indica LPP35 infective juveniles (IJs), at two distinct doses.
| Types (bottom internal surface area, in cm2) | ||||
|---|---|---|---|---|
| Treatments | 1 (34.5) | 2 (47.7) | 3 (83.3) | 4 (188.5) |
| 100 IJs/larva | ||||
| Treated | 74a | 67a | 64a | 45a |
| Control | 23b | 23b | 10b | 0b |
| 25 IJs/cm 2 | ||||
| Treated | 82a | 78a | 76a | 56a |
| Control | 3.5b | 3.5b | 5b | 1b |
Figure 2:
Parthenogenetic female of Heterorhabditis indica LPP35 inside the head of an Aedes aegypti larvae.
Table 2.
Mortality rate (%) of Aedes aegypti L3/L4 in pot saucers, seven days after treatment with Heterorhabditis indica LPP35 infective juveniles (IJs), at two distinct doses.
| Sizes (bottom internal surface area, in cm2) | |||
|---|---|---|---|
| Treatments | Small (13.3) | Medium (87.9) | Large (245) |
| 100 IJs/larva | |||
| Assay 1 | |||
| Treated | 46a | 29a | 35a |
| Control | 3b | 11b | 14b |
| Assay 2 | |||
| Treated | 53a | 53a | 35a |
| Control | 18b | 13b | 8b |
| 25 IJs/cm 2 | |||
| Assay 1 | |||
| Treated | 31a | 44a | 38a |
| Control | 0b | 0b | 0b |
| Assay 2 | |||
| Treated | 28a | 37a | 30a |
| Control | 0b | 0b | 0b |