Table 2.
Mosquito species and infection with D. immitis and D. repens.
| Mosquito species | Number of indiv. mosquitoes | Number of pools | Average number of specimens per pool | Pools positive for D. repens
|
Pools positive for D. immitis
|
Total infection with either D. immitis and D. repens
|
||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Number of abdomen pools | Number of head-thorax pools | EIR (95% CI) | Number of abdomen pools | Number of head-thorax pools | EIR (95% CI) | MIR (%) | EIR (95% CI) | Host effectiveness** (%) | ||||
| An. messeae | 67 | 15 | 4.47 | 1 | 1 | 3.15 (0.21–10.86) | 3 | 0 | 4.87 (1.03–12.87) | 7.46 | 8.67 (2.86–16.68) | 1.49 |
| Ae. aegypti | 21 | 4 | 5.25 | 0 | 1 | 5.33 (0.01–24.42) | 0 | 0 | 0 | 4.76 | 5.33 (<0.01–24.42) | 4.76 |
| Ae. geniculatus | 203 | 43 | 4.72 | 2 | 2 | 2.05 (0.59–5.13) | 2 | 3 | 2.59 (0.9–5.8) | 4.43 | 4.85 (2.23–8.33) | 2.46 |
| Ae. cataphylla | 236 | 49 | 4.82 | 6 | 0 | 2.67 (1.04–5.56) | 3 | 0 | 1.3 (0.26–3.85) | 3.81 | 4.12 (1.91–7.19) | 0 |
| Cq. richiardii | 184 | 40 | 4.6 | 2 | 0 | 1.11 (0.04–4.13) | 3 | 1 | 2.27 (0.65–5.65) | 3.26 | 3.47 (1.34–7.09) | 0.54 |
| Cx. modestus | 223 | 45 | 4.96 | 3 | 0 | 1.38 (0.27–4.06) | 2 | 2 | 1.86 (0.54–4.68) | 3.14 | 3,35 (1.40–6.46) | 0.89 |
| Ae. cantans | 1776 | 356 | 4.99 | 25(8*) | 11(8*) | 1.63 (1.08–2.28) | 21(1*) | 4(1*) | 1.9 (0.9–2.01) | 2.93 | 3.11 (2.23–3.83) | 0.84 |
| Ae. communis | 307 | 64 | 4.79 | 3(1*) | 1* | 0.99 (0.2–2.97) | 3 | 3 | 2.03 (0.8–4.3) | 2.93 | 3.11 (1.47–5.56) | 1.3 |
| Ae. intrudens | 482 | 98 | 4.92 | 4 | 1 | 1.06 (0.37–2.48) | 8 | 1 | 1.94 (0.93–3.57) | 2.9 | 3.08(1.69–4.86) | 0.41 |
| Ae. vexans | 179 | 37 | 4.84 | 2 | 0 | 1.14 (0.04–4.24) | 3(1*) | 1* | 1.73 (0.35–5,04) | 2.79 | 2.96 (1.02–6.55) | 0.56 |
| Ae. cinereus | 259 | 54 | 4.79 | 1 | 0 | 0.39 (<0.01–2.38) | 4 | 0 | 1,59 (0.46–4.05) | 1.93 | 2.01 (0.70–4.57) | 0 |
| Ae. albopictus | 366 | 74 | 4.95 | 0 | 1 | 0.27 (<0.01–1.69) | 5 | 0 | 1.4 (0.49–3.25) | 1.64 | 1.69 (0.67–3.62) | 0.27 |
| Ae. leucomelas | 62 | 13 | 4.77 | 0 | 0 | 0 | 1 | 0 | 1.66 (<0.01–9.41) | 1.61 | 1.66 (<0.01–9.41) | 0 |
| Ae. excrucians | 68 | 15 | 4.53 | 1 | 0 | 1.51 (<0.01–8.63) | 0 | 0 | 0 | 1.47 | 1.51 (<0.01–8.63) | 0 |
| Cx. pipiens | 516 | 104 | 4.96 | 1 | 1 | 0.39 (0.01–1.5) | 5 | 0 | 0.99 (0.35–2.32) | 1.36 | 1.39 (0.60–2.83) | 0.19 |
| Ae. sticticus | 57 | 13 | 4.38 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Ae. caspius | 146 | 30 | 4.87 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Ae. punctor | 50 | 11 | 4.55 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Ae. diantaeus | 128 | 27 | 4.74 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Cx. torrentium | 3 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Total | 5333 | 1095 | 4.87 | 51(9*) | 19(9*) | 1.17 (0.89–1.47) | 63(2*) | 15(2*) | 1.47 (1.14–1.78) | 2.57 | 2.71 (2.18–3.03) | 0.64 |
| MIR = 1.14 | MIR = 1.43 | |||||||||||
*
Inclusive pools, in which infection was detected in both abdomens and head-thorax pools;
**
Host effectiveness – proportion of infectious mosquitoes with L3 larvae in total number of studied mosquitoes (%).