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First published online March 2, 2006
Journal of Experimental Biology 209, 1064-1073 (2006)
Published by The Company of Biologists 2006
doi: 10.1242/jeb.02129
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The relative contributions of developmental plasticity and adult acclimation to physiological variation in the tsetse fly, Glossina pallidipes (Diptera, Glossinidae)

John S. Terblanche1,* and Steven L. Chown2

1 Spatial, Physiological and Conservation Ecology Group, Department of Botany and Zoology, University of Stellenbosch, Private Bag X1, Matieland, 7602, Stellenbosch, South Africa
2 Centre for Invasion Biology, University of Stellenbosch, Private Bag X1, Matieland, 7602, Stellenbosch, South Africa


Figure 1
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  		Fig. 1. Schematic diagram of the experimental design used to investigate the relative contribution of developmental plasticity (1), adult acclimation (3) and combined treatment (2) to adult physiological performance in Glossina pallidipes. (Broken line represents eclosion.)

 

Figure 2
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  		Fig. 2. Relative change in mean critical thermal maxima Tcrit,max for developmental plasticity, adult acclimation and combined plasticity groups within the acclimation temperature treatments, expressed as change from the mean of the 25°C group. Asterisks indicate a significant effect of the acclimation relative to the 25°C group by one-way ANOVA (P<0.05). Lower and upper error bars represent minimum and maximum values, respectively.

 

Figure 3
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  		Fig. 3. Relative change in mean critical thermal minima Tcrit,min for developmental plasticity, adult acclimation and combined plasticity groups within the acclimation temperature treatments expressed as change from the mean of the 25°C group. Asterisks indicate a significant effect of the acclimation relative to the 25°C group by one-way ANOVA (P<0.05). Lower and upper error bars represent minimum and maximum values, respectively.

 

Figure 4
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  		Fig. 4. Relative change in mean water loss rate for developmental plasticity, adult acclimation and combined plasticity groups within the acclimation temperature treatments expressed as change from the mean of the 25°C group. Asterisks indicate a significant effect of the acclimation relative to the 25°C group by GLM (covariate: dry body mass; P<0.05). Lower and upper error bars represent minimum and maximum values, respectively.

 

Figure 5
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  		Fig. 5. Relative change in mean metabolic rate as indicated by CO2 production for developmental plasticity, adult acclimation and combined plasticity groups within the acclimation temperature treatments, expressed as change from the mean of the 25°C group. Asterisks indicate a significant effect of the acclimation relative to the 25°C group by GLM (covariate: mean experimental body mass; P<0.05). Lower and upper error bars represent minimum and maximum values, respectively.

 

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© The Company of Biologists Ltd 2006