Parasitic worms may be saving their own little hides when they induce the caterpillars they infest to glow a little and blush a furious red.
When infected by a parasite, normally pale caterpillars turn red and actually glow a little (visible to human eyes only in darkness), a color change that may turn away predators.
Log in
Subscribers, enter your e-mail address for full access to the Science News archives and digital editions.
