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Fig. 5. Effects of dietary nutrient ratio and parasitism by C. congregata
on blood concentration (mg ml-1) of (A) protein, (B) free amino
acids and (C) trehalose in fifth instar M. sexta larvae maintained
over the fourth and fifth stadia on a chemically defined artificial diet
having varying ratios of casein and sucrose. Bars show means ±
S.E.M. Significant differences (P<0.05) among diets
between normal larvae are indicated by different lowercase letters, and
between parasitized larvae (including parasite biomass) by different uppercase
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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