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Table 1 Parameters used in the model. (In this table, for degree-days, xx(°C)/YY(dd) where: YY degree-days with the base of xx°C are required to clear the stage, T: daily mean temperature (°C), D: distance from the nearest wetland/lake (m), J: Julian day, h: hours)

From: Predicting outbreaks: a spatial risk assessment of West Nile virus in British Columbia

   C. tarsalis C. pipiens
Stage and parameter Parameter value Source Parameter value Source
Start of calculation 3 day mean of T≥ 7.0 Estimated from [45] 3 day mean of T ≥ 7.0 estimated from [45]
  degree-days 9.0°C/20dd Table 2 7.0°C/30dd Table 2
Egg Mortality 0.2%/day(5 ≤ T ≤ 30), (0.02(5-T) + 0.2)% (T<5) (0.02(T-30) + 0.2)% (30<T)/day [33] (modified) Same as tarsalis [33]
  degree-days 7.0°C/170dd Table 2 9.0°C/150dd Table 2
Larva Mortality (0.5(T-20)2 + 25)%/2stages of Larva and Pupa Fig. 4B of [35] (modified) 0.4 (J ≤ 180), 0.6(J>180) for 2stages of Larva and Pupa [36]
  degree-days 11°C/30dd Table 2 8.0°C/50dd Table 2
Pupa mortality (see above) Fig. 4B of [35] (modified) (see above) [36]
  mortality (0.24(T-25)2 + 5)%/day [33] (modified) Same as tarsalis [33] (modified)
Adult drying 3 days [23] Same as tarsalis ([23])
  host seeking 1 day [23] Same as tarsalis ([23])
  ovary development 5.0°C/77dd Table2([63]) 9.5°C/65dd Table2
Laid eggs/gonotrophic cycle 230 [64] (via [33]) 105 [47]
Average gonotrophic cycle 1.10 [46] 5.00 estimated from [47]
Weight by distance (D(m)) from wetland/lake 0.002924-0.000792(D-52)/2138 (if D ≤ 2190), 0.002132-0.001636(D-2190)/484 (if 2190<D ≤ 2674), max(0.000496-0.000230(D-2674)/2865, 0) (if D>2674) Fig. 10a 0.3054 (if D ≤ 2190), 0.3054-0.1003(D-2190)/1860 (if 2190<D ≤ 4050), max(0.2051-0.1341(D-4050)/1987,0) (if D>4050) Fig. 10b
Mortality by predators and lack of food (total of immature stages) 89% (if J ≤ 182), 86%(if J ≤ 244), 73%(if J>244) [42] 98% Adjusted by fitting
Ratio of oviposition (considering diapause) 1 (if J<150), 0.3 (if 150 ≤ J<180), 0.3-0.01(J-180) (if 180<J ≤ 210), 0 (if 210<J) [43] (-412 + 27.2*daylength(h)+2.99*T-8)% [44]