Are lady bugs echinoderm or mollusks?

Ladybugs are neither echinoderms nor mollusks; they are insects belonging to the order Coleoptera. Echinoderms include species like starfish and sea urchins, while mollusks encompass creatures such as snails and clams. Ladybugs are characterized by their rounded bodies and distinctive coloration, primarily feeding on aphids and other pests.