The Urticating Hairs of Theraphosid Spiders

The dorsal surface of the abdomen of many New World spiders belonging to the family Theraphosidae-popularly called tarantulas in the United States-bears a dense covering of specialized hairs that can provoke intense skin irritation in man on contact. Four main types of urticating hair, studied for the first time, are described and illustrated with the aid… CONTINUE READING