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Fig. 3. Effects of dietary nutrient ratio and parasitism by C. congregata
on growth (mass gain) of M. sexta larvae maintained over the fourth
and fifth stadia on a chemically defined artificial diet having varying ratios
of casein and sucrose, after accounting for differences in protein and
carbohydrate intake between diets. Bars show least-square means ±
S.E.M. Differences between diets and between normal and parasitized
larvae are due to differences in utilization efficiency. Significant
differences (P<0.05) among normal larvae are indicated by
different lowercase letters and among parasitized larvae (including parasite
biomass) by different upper case letters. Significant differences between
normal and parasitized (including parasite biomass) larvae on the same diet
are indicated by an asterisk. Dietary nutrient ratios are shown relative to
the level of each nutrient (C, casein; S, sucrose) in the basal chemically
defined formulation where 1.0=90 g l-1.
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