Relating to or characteristic of beetles or the order Coleoptera.
From Greek 'koleon' (sheath) and 'pteron' (wing), as beetles have hardened front wings that cover softer rear wings. The '-al' suffix makes it an adjective.
Beetles are the most successful animals on Earth—about 25% of all known animal species are beetles—which means if aliens ever visit, coleopteral creatures might be the most common life form they find!
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