Tenuis Andronicus: A parasite and moose tragedy, in six acts

This is a parasitic coming-of-age tale that will make your skin crawl and your heart weep

Moose
(Image credit: (Illustration by Lauren Hansen | Photos courtesy Thinkstock))

Our tragedy opens somewhere in the North Country, as a lowly marsh slug prowls the leaf litter. Slurp, munch, slurp. Munch, slurp, wriggle. The slug is quick, for a gastropod at least, but its movements have not gone unnoticed.

From stage right enters our story's leading actors, the larvae of a brainworm. As the curtain falls on Act One, the brainworms have surreptitiously drilled their way into the slug's foot. The slug slurps on, unaware, and a hush falls upon the forest.

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Jason Bittel serves up science for picky eaters on his website, BittelMeThis.com. He writes frequently for Slate and OnEarth. And he's probably suffering from poison ivy as you read this.