Ladybugs do not have backbones. They are invertebrates.
Like other insects, the ladybug has an exoskeleton made of a protein like the one that forms our hair and fingernails. It protects the soft inner parts of the ladybug's body.
A popular symbol of springtime is the speckled, miniature dome of a ladybug as it strolls along a plant stem looking for its next meal. They are also found in nursery rhymes and folklore around the world.
Who doesn't love a ladybug? They're beloved by all, and they're beneficial insects, too.
Check out these fascinating facts about Ladybugs from Thoughtco.com.