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Figure 1


Fig. 1. Example of the respiratory pattern of a female mosquito (Culiseta inornata) measured at 10°C at flow rates F=200 ml min–1 (A) and 20 ml min–1 (B). Values at the far left and the far right of each curve represent baseline measurements obtained with an empty chamber. Note that the concentrations of CO2 are lower at the higher flow rate due to the effects of dilution. The two flow rates reveal a similar periodicity of peak CO2 release. In A, the mosquito is engaged in DGC, as shown by the periodic lapses to zero or near-zero rates of CO2 release. At 20 ml min–1 the same respiratory pattern appears as a cyclic pattern of release with no periods of zero release.





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