Arthropods Daily – Issue No. 327

Millipedes in this family can be 4 mm to 30 mm long and come in colors like black, red, brown, or pale. They have a small collum with a smooth front edge and well-developed paranota with lateral teeth. In the genus Perapolydesmus, adult females have 20 segments while adult males have 19, showing sexual dimorphism. These millipedes are part of a family known for these unique features.