In Australia, assassin bugs use a lethal tool to ensnare snacks: resin from spinifex grass.
Soley and Herberstein predicted that if the resin is used as a tool, the bugs covered in resin will be better at catching prey than bugs not covered in resin. They took 26 assassin bugs found near or on curly spinifex back to their glamorous tent laboratory for investigation.
The researchers put the insects in a glass jar with a stick and introduced two kinds of prey: flies and ants. Then they used makeup removal pads to carefully wipe the resin off the insects' bodies, and the experiment was repeated.
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