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Life

When a daddy longlegs is attacked by a flatworm things get messy

By Joshua Rapp Learn

14 June 2018

鶹ý. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.

A tasty, but well-defended, lunch

Rodrigo H. Willemart

In a battle worthy of gore and grime fetishists, slimy flatworms attack harvestman arachnids with gobs of mucus. But the arachnids sometimes fight back by chopping the worms in half with armoured leg spikes.

The armoured harvestman () is an eight-legged arachnid, distantly related to spiders. are sometimes known as “daddy longlegs”, although confusingly so are .

The armoured harvestman has a lot of problems in life. Its predators include birds, toads, lizards, marsupials and even insects such assassin bugs.

As a result, it has evolved…

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