Ptinus rufipes, commonly known as the red-legged spider beetle, is a small insect belonging to the family Ptinidae. It measures around 3-4 mm in length and has a distinctive reddish-brown coloration with long, slender legs. This beetle is often found in stored food products, where it feeds on grains, cereals, and other organic materials. Its ability to infest stored goods makes it a common pest in households and food storage facilities.