Table 3 Mosquito species and their positivity for Dirofilaria spp. grouped according to provinces and date of collection; mean number of mosquitoes per pool is also reported along with the percentage of estimated rate of infection (ERI) and confidence intervals (95 % CI)
Province | Date of collection | Number of sites | Mosquito species | Dirofilaria species | No. specimens | No. pools positive/tested | Mean no. mosquitoes per pool | ERI* | 95 % CI |
|---|---|---|---|---|---|---|---|---|---|
PD | 25/05/2010 | 18 | Cx. pipiens | D. immitis | 204 | 1/5 | 40.80 | 0.545 | 0.03-2.58 |
08/06/2010 | 18 | Cx. pipiens | D. immitis | 384 | 1/8 | 48 | 0.278 | 0.01-1.32 | |
17/08/2010 | 18 | Cx. pipiens | D. immitis | 9 | 1/1 | 9 | na | ||
28/09/2010 | 18 | Och. caspius | D. immitis | 2 | 1/1 | 2 | na | ||
20/07/2010 | 12 | Cx. pipiens | D. repens | 160 | 1/4 | 40 | 0.717 | 0.03-3.42 | |
14/09/2010 | 12 | Cx. pipiens | D. immitis | 259 | 1/6 | 43.17 | 0.421 | 0.02-2.01 | |
05/10/2010 | 10 | Och. caspius | D. immitis | 2 | 1/1 | 2 | na | ||
RO | 11/05/2010 | 14 | Cx. pipiens | D. immitis | 3 | 1/1 | 3 | na | |
08/06/2010 | 16 | Cx. pipiens | D. immitis | 862 | 2/18 | 47.89 | 0.246 | 0.04-0.77 | |
20/07/2010 | 16 | Cx. pipiens | D. immitis | 458 | 1/10 | 45.80 | 0.230 | 0.01-1.08 | |
20/07/2010 | 16 | Cx. pipiens | D. repens | 458 | 1/10 | 45.80 | 0.230 | 0.01-1.08 | |
06/07/2010 | 163 | Cx. pipiens | D. immitis | 507 | 1/10 | 50.70 | 0.208 | 0.01-0.98 | |
31/08/2010 | 162 | Cx. pipiens | D. immitis | 109 | 1/3 | 36.33 | 1.110 | 0.05-5.26 | |
TV | 01/06/2010 | 179 | Och. caspius | D. immitis | 2 | 1/1 | 2 | na | |
VE | 15/06/2010 | 199 | Cx. pipiens | D. immitis | 450 | 1/9 | 50 | 0.235 | 0.01-1.11 |
26/08/2010 | 4 | Ae. vexans | D. immitis | 8 | 1/1 | 8 | na | ||
VI | 04/05/2010 | 187 | Cx. pipiens | D. immitis | 1 | 1/1 | 1 | na | |
18/05/2010 | 187 | Cx. pipiens | D. immitis | 1 | 1/1 | 1 | na | ||
07/09/2010 | 187 | Cx. pipiens | D. immitis | 8 | 1/1 | 8 | na | ||
22/09/2010 | 183 | Cx. pipiens | D. immitis | 20 | 1/1 | 20 | na | ||
VR | 13/07/2010 | 191 | Och. caspius | D. immitis | 3 | 1/1 | 3 | na | |
07/09/2010 | 191 | Cx. pipiens | D. immitis | 50 | 1/1 | 50 | na |