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Fig. 1. Mean wet mass (white bars) and dry mass (gray bars) of A. aegypti
at different times during their fourth larval stadium and in 12 h old pupae
(P). Values represent least square means ± s.e.m.; N=18.
Within both dry and wet mass values, columns with different letters are
significantly different from each other (TukeyKramer HSD,
P
0.05). The relationship between wet and dry mass was analyzed by
regression analysis: (dry mass larva1)=0.23+0.257(wet
mass larva1), r2=0.96,
P<0.0001. NM, newly molted fourth instars.