Figure 4From: Age-dependent induction of immunity and subsequent survival costs in males and females of a temperate damselflyMean days (± 1 SE) survived for males (circle) and females (square) of (a) newly emerged and (b) mature Enallagma boreale after injection of either saline or LPS and held at 15°C after an initial 24 h at 22°C to allow response to LPS. Numbers indicate sample size.Back to article page