Robins reject red glowing grub | Science News

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Robins reject red glowing grub

Parasitic worms induce a color change in caterpillars that's repulsive to predators

By
1:02pm, January 3, 2011

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.

As the parasitic nematode Heterorhabditis bacteriophora infects caterpillars of the greater wax moth, the normally pale caterpillars temporarily bioluminesce and also turn persistently pink-red.

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