Brown Food Web Friday–millipede ecstasy

I spend much of my scientific life crawling around in the forest litter, studying the microbes, the microbivores, and their predators that teem in this fantastic world beneath our feet. One of my favorite litter critters is the millipede. What’s not to like? They carry around in their guts a poorly explored plethora of microbial symbionts that help them digest old dead leaves. It’s hard to see a millipede and not think of a commuter train that runs on biofuels with the help of its passengers.

The other reason to love millipedes is that, because they are slow moving litter fermentation tanks, millipedes are sitting ducks (at the risk of mixing our taxonomic metaphors). If there were to be any new generations of millipedes, the ones that were somehow defended would have to leave more offspring. In fact, National Academy member Tom Eisner has done a bang-up job discovering the many ways (from spines, to crunchy exoskeletons, to cyanide and other poisons) that millipedes have evolved to make sure this train stays on the track.

And where nature produces toxins, there are always intelligent-ish animals waiting to get high…

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