Newly eclosed adults were fed on the standard rearing diet for 3-days prior to transferring to the experimental diets.

<p>After 3 days of feeding on experimental diets, flies were systemically infected with (A) <i>S</i>. <i>marcescens</i> and (B) <i>P</i>. <i>rettgeri</i>. Flies fed the 16% sucrose diet exhibited significantly higher mortality after infection than flies fed the 2% sucrose diet (p<0.001; Cox mixed effects model).</p> <p>(DOCX)</p>