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. 2021 May 25;12(6):491. doi: 10.3390/insects12060491

Table 1.

CLIMEX parameter values for Trissolcus mitsukurii, Trissolcus japonicus [39] and Halyomorpha halys [7].

Parameter Description T. mitsukurii T. japonicus H. halys
Moisture
SM0 lower soil moisture threshold 0.1 0.1 0.1
SM1 lower optimum soil moisture 0.5 0.4 0.5
SM2 upper optimum soil moisture 1.6 1.2 1
SM3 upper soil moisture threshold 1.8 1.6 1.5
Temperature
DV0 lower temperature threshold 12 °C 12 °C 12 °C
DV1 lower optimum temperature 25 °C 27 °C 27 °C
DV2 upper optimum temperature 30 °C 30 °C 30 °C
DV3 upper temperature threshold 32 °C 34 °C 33 °C
Diapause
DPD0 diapause induction daylength 12 h light
DPT0 diapause induction temperature 5 °C
DPT1 diapause termination temperature 5 °C
DPD diapause development days 0
DPSW diapause summer (1) or winter (0) 0
Cold Stress
TTCS cold stress temperature threshold −7 °C −18.3 °C −18 °C
THCS temperature threshold stress accumulation rate −0.01 week−1 −0.0015 week−1 −0.01 week−1
DTCS degree-day cold stress threshold
DHCS degree-day cold stress accumulation rate
Heat Stress
TTHS heat stress temperature threshold 34 °C 33 °C
THHS temperature threshold stress accumulation rate 0.055 week−1 0.01 week−1
DTHS degree-day heat stress threshold 4
DHHS degree-day heat stress accumulation rate 0.0008 week−1
Dry Stress
SMDS soil moisture dry stress threshold 0.1 0.1 0.1
HDS stress accumulation rate −0.01 week−1 −0.01 week−1 −0.01 week−1
Wet Stress
SMWS soil moisture wet stress threshold 1.8 1.6 1.5
HWS stress accumulation rate 0.01 week−1 0.0065 week−1 0.002 week−1
Hot Wet Stress
TTHW hot wet stress threshold temperature 27 °C 28 °C
MTHW hot wet stress threshold soil moisture 1.4 1.5
PHW hot wet stress accumulation rate 0.0024 week−1 0.007 week−1
Threshold Heat Sum
PDD number of degree-days above DV0 needed to complete one generation 185 °C-days 175 °C-days 595 °C-days
Irrigation Scenario 2.5 mm week−1 as top up all models run with this irrigation scenario in this paper

Values without units are for a dimensionless soil moisture index, scaled from 0 (oven dry), with 1 indicating field capacity. A value of 0.1 is approximately the permanent wilting point.