Spodoptera frugiperda

COMPLETE = 2.7; MRE = 0.119; SMAE = 0.129; SMSE = 0.024

Data & predictions

data prd RE symbol units description
4.4 3.468 0.2118 ab d age at birth
27.5 21.34 0.2241 tj d time since birth at pupation
18.4 18.39 0.0007255 am d life span as female imago
2.57 2.995 0.1653 t1 d duration of instar 1
2.07 2.156 0.04137 t2 d duration of instar 2
2.13 2.155 0.01195 t3 d duration of instar 3
2.48 2.543 0.02536 t4 d duration of instar 4
2.57 2.753 0.07137 t5 d duration of instar 5
2.13 3.469 0.6286 t6 d duration of instar 6
11.57 13.03 0.1264 te d duration of pupa stage
0.035 0.03045 0.13 L1 cm head capsule of instar 1 females
0.057 0.05413 0.0504 L2 cm head capsule of instar 2 females
0.087 0.08189 0.05875 L3 cm head capsule of instar 3 females
0.129 0.1239 0.03966 L4 cm head capsule of instar 4 females
0.189 0.2019 0.06822 L5 cm head capsule of instar 5 females
0.28 0.3426 0.2236 L6 cm head capsule of instar 6 females
0.2889 0.3357 0.1621 Wwj g wet weight of pupa
1604 1234 0.2305 Ni # number of eggs
see figure 0.1441 Tab temperature vs. age at birth
see figure 0.08571 Tab2 temperature vs. age at birth
see figure 0.1779 TtI1 temperature vs. duration instar 1
see figure 0.1226 Tt2I1 temperature vs. duration instar 1
see figure 0.07419 TtI2 temperature vs. duration instar 2
see figure 0.1315 Tt2I2 temperature vs. duration instar 2
see figure 0.04814 TtI3 temperature vs. duration instar 3
see figure 0.08627 Tt2I3 temperature vs. duration instar 3
see figure 0.1137 TtI4 temperature vs. duration instar 4
see figure 0.1066 Tt2I4 temperature vs. duration instar 4
see figure 0.08356 TtI5 temperature vs. duration instar 5
see figure 0.0916 Tt2I5 temperature vs. duration instar 5
see figure 0.09029 TtI6 temperature vs. duration instar 6
see figure 0.08929 Tt2I6 temperature vs. duration instar 6
see figure 0.04577 Tte temperature vs. duration pupa stage
see figure 0.13 Tte2 temperature vs. duration pupa stage
see figure 0.06482 Ts temperature vs. larval mortality
0.02 0.01072 0.4639 psd.v cm/d energy conductance
0.8 0.7936 0.007948 psd.kap - allocation fraction to soma
0.95 0.95 0 psd.kap_R - reproduction efficiency
18 33.54 0.8633 psd.p_M J/d.cm^3 vol-spec som maint
0.002 0.002 0 psd.k_J 1/d maturity maint rate coefficient
0.8 0.8083 0.01037 psd.kap_G - growth efficiency

hex parameters at 20.0°C

symbol units value free description
T_ref K 293.1 0 Reference temperature
T_A K 8315 1 Arrhenius temperature
z - 0.9765 1 zoom factor
F_m l/d.cm^2 6.5 0 {F_m}, max spec searching rate
kap_X - 0.8 0 digestion efficiency of food to reserve
kap_P - 0.1 0 faecation efficiency of food to faeces
v cm/d 0.01072 1 energy conductance
kap - 0.7936 1 allocation fraction to soma
kap_R - 0.95 0 reproduction efficiency
kap_V - 0.01 0 conversion efficient E -> V -> E
p_M J/d.cm^3 33.54 1 [p_M], vol-spec somatic maint
p_T J/d.cm^2 0 0 {p_T}, surf-spec somatic maint
k_J 1/d 0.002 0 maturity maint rate coefficient
E_G J/cm^3 4400 0 [E_G], spec cost for structure
E_Hb J 0.002051 1 maturity at birth
s_j - 0.9999 0 reprod buffer/structure at pupation as fraction of max
E_He J 0.481 1 maturity at emergence
h_a 1/d^2 0.03517 1 Weibull aging acceleration
s_G - 0.0001 0 Gompertz stress coefficient
T_A1 K 6668 0 Arrhenius temperature for 1st instar
T_AH K 3e+05 0 Arrhenius temperature at lower boundary temperature
T_AL K 1.78e+04 0 Arrhenius temperature at lower boundary temperature
T_As K 1.261e+04 0 Arrhenius temperature for larval mortality
T_H K 304.6 0 upper boundary temperature
T_L K 289.4 0 lower boundary temperature
del_M - 0.3979 1 shape coefficient for head capsule of larva
f - 1 0 scaled functional response for 0-var data
h_b 1/d 0.02714 1 background hazard during larval stage
s_1 - 3.16 1 stress at instar 1: L_1^2/ L_b^2
s_2 - 2.289 1 stress at instar 2: L_2^2/ L_1^2
s_3 - 2.289 1 stress at instar 3: L_3^2/ L_2^2
s_4 - 2.656 1 stress at instar 4: L_4^2/ L_3^2
s_5 - 2.88 1 stress at instar 5: L_5^2/ L_4^2