This illustration depicts a black widow spider (Latrodectus), which belongs to the family Theridiidae and order Araneae. It is primarily black with distinct red and white spots on its round abdomen. The spider has eight legs, which are long and slender, adapted for predation. Commonly studied in fields like biology, entomology, and zoology, it is known for its potent venom, which makes it a subject of interest in ecological and toxicological studies.