Stink bugs are agricultural pests that exist throughout the world. When disturbed, they emit a characteristic foul-smelling odor. In Haris Antonopoulos' photo, he captures the beauty of the so-called pests using brightfield illumination.
Bubonic plague bacteria (yellow) on part of the digestive system in a rat flea (purple). Credit: B. Joseph Hinnebusch, Elizabeth Fischer and Austin Athman, National Institute of Allergy and Infectious Diseases, National Institutes of Health.