Leafhoppers use tiny light-absorbing balls to conceal their eggs
The insects produce the antireflective microspheres themselves
HIDDEN IN PLAIN SIGHT Insects called leafhoppers (Alnetoidia alneti shown) produce microscopic, antireflective spheres that the bugs rub onto their eggs to camouflage them.
Josve05a /Wikimedia Commons (CC BY 2.0)