Table 2.

Testing for an effect of acclimation (treatment temperature 21, 29°C) and experimental plasticity on physiological traits of climatic stress resistance in adult Glossina pallidipes (Diptera, Glossinidae)

Physiological traitEffectd.f.MSd.f. errorMS errorF-ratioP% variance explained
Critical thermal maxima (°C)Acclimation10.0413.892.4930.0160.9040
Plasticity42.07773.000.16412.665<0.000148.7
Error51.3
Critical thermal minima (°C)Acclimation1100.3523.903.68827.213<0.0183.6
Plasticity43.11474.000.24512.725<0.00017.9
Error8.5
Desiccation rate (mg H2O h-1)aAcclimation10.2873.890.2311.2410.3294.4
Plasticity40.19673.000.01612.251<0.000146.7
Error48.9
Standard metabolic rate (log10μl CO2 h-1)bAcclimation10.2113.850.0514.1370.11436.4
Plasticity40.04633.000.0086.045<0.00129.0
Error34.6
  • Summary of nested (hierarchical) analyses of variance; plasticity and acclimation were categorised as random factors.

    MS, mean squares, d.f., degrees of freedom.

  • a Covarying for dry body mass (P<0.05).

  • b Covarying for mean experimental body mass (P<0.05).