Pseudocleobis patagonicus is a species of insect found in the Patagonia region of South America. It belongs to the family Tenebrionidae, commonly known as darkling beetles. These beetles are small in size, measuring around 10-15 millimeters in length, and are characterized by their dark brown or black coloration. Pseudocleobis patagonicus is primarily a scavenger, feeding on decaying organic matter, and can be found in various habitats, including grasslands and desert areas.