
Short Wave This Is Not A Typo: One In Four Animals Known To Science Is A Beetle
Sep 10, 2020
Nell Greenfieldboyce, an NPR science correspondent, dives into the astonishing fact that one in four known animal species is a beetle. She explores their incredible diversity, showcasing unique traits from ladybugs to jewel beetles. The discussion highlights thrilling discoveries, including a college student finding 18 new water beetle species. Greenfieldboyce also compares beetles with their rivals, the enigmatic wasps, prompting listeners to rethink the significance of these intriguing insects in our ecosystem.
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Beetle Biodiversity
- Beetles comprise a quarter of all known animal species, a surprising fact even for seasoned science reporters like Nell Greenfieldboyce.
- This astonishing biodiversity has captivated scientists for centuries, prompting further investigation into the reasons behind it.
New Beetle Discoveries
- Rachel Smith, a University of Kansas student, discovered 18 new beetle species while sorting through South American water beetles.
- These tiny, brown beetles, roughly the size of a capital 'O' in 12-point font, were differentiated by their male genitalia.
Beetle Species Definition
- Defining a new beetle species often relies on subtle differences, raising questions about species classification.
- Beetles have historically attracted dedicated enthusiasts, including Charles Darwin and a Napoleonic general.

