Very small - 0.25-0.5 cm
A Palmetto Tortoise Beetle at St. Mark's NWR.
This little guy lives on Palmetto Bushes. He has an extremely strong grip....so strong, in fact, that NASA is studying him to learn how he holds on so well. They hope to use the information to help astronauts hold on in Space.
Salt Marsh, Tybee Island, Ga