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)



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]

Tachiiri et al. International Journal of Health Geographics 2006 5:21   doi:10.1186/1476-072X-5-21