Table 1.

Testing for an effect of the plasticity type (developmental vs adult) and acclimation (treatment temperature 21, 29°C) 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)Plasticity17.1172.190.32222.100<0.0566.8
Acclimation20.35255.000.1153.0480.0564.1
Error29.2
Critical thermal minima (°C)Plasticity12.4082.0035.9750.0670.8200
Acclimation240.44256.000.240168.406<0.000191.8
Error8.2
Desiccation rate (mg H2O h-1)aPlasticity10.1462.330.0801.8250.29315.5
Acclimation20.11943.000.0167.624<0.00530.1
Error54.4
Standard metabolic rate (log10μl CO2 h-1)bPlasticity10.0662.080.0870.7570.4730
Acclimation20.12223.000.00621.275<0.000174.6
Error25.4
  • 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).