© Stephanie Ware/Subject Museum

Some bugs are straightforward to inform aside. Others, not a lot. Some flat-backed millipedes within the genus Pseudopolydesmus look virtually an identical no matter their species, making it troublesome for scientists to determine who’s who. Now, researchers have found a particular solution to establish these bugs: Shine an ultraviolet (UV) mild on their genitals.

Underneath regular mild, these millipedes look unremarkable—they’re lower than 2 centimeters lengthy with brown exoskeletons. To see whether or not they seemed completely different in altered lighting, a bunch of scientists photographed the millipedes underneath UV mild utilizing a particular digital camera that produces extremely detailed photographs. When the mug pictures had been accomplished, they discovered that some species’s genitals glowed completely different colours—a stunning number of greens and blues, they report at present within the Zoological Journal of the Linnean Society. Others merely stood out extra underneath the UV lighting.

The supply of the millipedes’ glowing genitalia continues to be a thriller. Nevertheless, with the ability to inform the bugs aside with out utilizing arduous methods like DNA evaluation is a crucial step ahead, scientists say.

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