A ladybug is a small, rounded beetle with a distinctive spotted pattern, usually red or orange with black dots. These cheerful-looking insects are garden favorites because they eat aphids and other tiny pests that damage plants. A single ladybug can devour thousands of aphids in its lifetime, making it one of nature's most helpful pest controllers.

Despite their name, ladybugs aren't all female, and they aren't actually bugs at all. They're beetles, with hard outer wings that fold over delicate flying wings underneath. When a ladybug lands on your arm, those spotted covers you see are protective shells called elytra.

The number of spots varies by species: some have two spots, others have seven, and some have none at all. Gardeners and farmers love seeing ladybugs because their presence can mean a healthy garden where natural predators keep harmful insects under control. When threatened, ladybugs can release a yellow fluid that smells bad and tastes worse to predators, a clever defense that makes birds and other animals leave them alone.

In many cultures, ladybugs are considered lucky. Finding one is thought to bring good fortune, which seems fitting for an insect that helps gardens thrive.