Tiny beetles classified by their genitaliaSourced
These beetles look much alike.
Their genitals reveal the differences.
A 2014 revision of the tiny Caccothryptus beetles, found across parts of Asia, reorganized seven recognized species into twenty. Researchers relied mainly on differences in male genital shape to classify them.
Taxonomy sometimes looks
where a casual observer would not.
Summary / translation: Unbubly · CC BY-SA 4.0
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Caccothryptus · Wikimedia contributors
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Reviewed: 2026-10-01