Table 1 Descriptive statistics relating to the abundance (number of mosquitoes per sampling visit) and occurrence (proportion of presence across sampling visits) for adult mosquitoes from both studied species, Culex pipiens/restuans and Aedes vexans, collected across 3,010 sampling locations in Ontario, Canada, 2003–2022.
Species | Culex pipiens/restuans | Aedes vexans |
|---|---|---|
Total sampled adult mosquitoes | 934,951 | 1,778,876 |
Number of visits/site (mean ± standard deviation) | 48 ± 80 | |
Abundance/visit (mean ± standard deviation) | 5 ± 8 | 12 ± 18 |
Occurrence/visit (mean ± standard deviation) | 0.57 ± 0.32 | 0.65 ± 0.29 |
Total number of tested mosquito pools | 102,938 | 82,134 |
Number of positive pools [% of total for all species] | 2949 [88] | 182 [5] |
Total number of adult mosquitoes tested for West Nile virus | 916,673 | 1,147,874 |
Number of adult mosquitoes tested/test (mean ± standard deviation) | 9 ± 12 | 14 ± 15 |
Total minimum infection rate (positive pools/number tested × 1000) | 3.22 | 0.16 |
