The Painstaking Task of Cataloguing the World’s Species

A bumblebee-like insect that was last seen in France 150 years ago was spotted again in the Paris region in 2025. Had the creature, known by its scientific name Pocota personata, disappeared and returned after all those years? Or did it simply fly around unnoticed this whole time? The mystery illustrates the challenge facing scientists seeking to catalogue the world's biodiversity, as so much of n