Some butterflies are tagged so that scientists can learn more about how them. The tarsus has gripping claws and has taste organs, so the insect can grip a flower and determine if it contains a sweet nectar to drink. A taxon is category in the classification of living organisms. These fleshy appendages provide sensory information for the caterpillar. They are often mistaken for antennae.
Monarch caterpillars have two pairs of tentacles.
The Tertiary period lasted from 65 to 1.8 million years ago. Many mammals developed then, including primitive whales, rodents, pigs, cat, rhinos, etc. Each of these legs has a grasping hook at the end. The thorax contains the muscles that make the legs and wings move. These moths have a large, heavy body, and are slow fliers.