Roach
A roach, or cockroach, was a large insect found on every continent on planet Earth. 

In 2367, Admiral Norah Satie opened up Crewman Simon Tarses'  to the public, explaining to Jean-Luc Picard that "Spies and saboteurs don't like the bright light of public inquiry. They're like roaches, scuttling for the dark corners." ()

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Earth insects
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