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Fig. 2. Transfer of mosquito larvae from 30%SW (seawater) to FW (freshwater)
results in significant decreases of Na+, Cl– and
H+ concentrations in the hemolymph within 6 h of transfer. Groups
of mosquito larvae that were reared in FW were transferred and held in 30%SW
for at least 24 h. Larvae were subsequently transferred back to FW at time=0,
where they were held for varying periods of time prior to the collection of
hemolymph. Ion-selective microelectrodes were used to measure the
Na+ (A), Cl– (B), K+ (C) and
H+ (D) ion concentrations of the hemolymph. Values are means
± s.e.m., N=6–14. An asterisk denotes a significant
difference from value at time=0.
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