7 Fascinating Ladybug Facts You Didn’t Know

Learn interesting ladybug facts, including what bad bugs ladybugs eat and why you want this charming insect in your backyard.

Ladybug Facts: Do Spots Reveal Age?

ladybugs, pictures of bugsCourtesy Carol Milisen

They can have as many as 16 spots, but some ladybugs have no spots at all. One of the most commonly believed ladybug facts is that you can tell their age by their number of spots, but this is a myth.

Check out 11 pictures that will change how you see bugs.

Ladybug vs Asian Lady Beetle

While most ladybugs are good, there is one nonnative species that people don’t like. The Asian lady beetle was introduced in California in 1916. Today it’s more common in the East.

Learn how to control a Japanese beetle infestation.

Ladybug Eggs

Ladybug egg cluster on celery leaf, close-up.Petra Richli/Getty Images
Yellow colored ladybug eggs on a leaf

Females will lay up to 1,000 eggs within a few months, generally from spring to early summer.

Discover 8 bugs you should never kill in your garden.

Ladybug Nicknames

You might see these insects called by a few different names, including: ladybirds, ladybugs, lady beetles and lady cows.

Do ladybug sightings have meaning?

Ladybug Defenses

Ladybugs usually protect themselves from predators in one of two ways: They either play dead or secrete a fluid from their legs to make themselves taste bad.

Discover 10 natural ways to eliminate garden insect pests.

Types of Ladybugs

You can find out about 6,000 different species of ladybugs around the world. There are about 500 species in the United States alone. One of the most common ladybugs is the seven-spotted lady beetle. It has seven black spots on its back.

Here’s how to tell the difference between ladybugs and Asian beetles.

Ladybugs Eat Garden Pests

ladybug facts, Seven-spotted Ladybug (Coccinella septempunctata), adult eating Aphids (Aphidoidea), Sinton, Corpus Christi, Coastal Bend, Texas, USABill Draker/Getty Images
Seven-spotted lady beetle eating aphids

Ladybugs are great garden predators. Here’s a fun ladybug fact: a ladybug can eat up to 50 aphids a day. Here are six “bad bugs” they’ll eat:

  • Aphids
  • Mites
  • Whiteflies
  • Scale insects
  • Mealybugs
  • Thrips

Next, learn how to tell the difference between a monarch egg and an aphid.

Kirsten Schrader
Kirsten has more than 15 years of experience writing and editing birding and gardening content. As content director of Birds & Blooms, she leads the team of editors and freelance writers sharing tried-and-true advice for nature enthusiasts who love to garden and feed birds in their backyards. Since joining Birds & Blooms 17 years ago, Kirsten has held roles in digital and print, editing direct-to-consumer books, running as many as five magazines at a time, and managing special interest publications. Kirsten has traveled to see amazing North American birds and attended various festivals, including the Sedona Hummingbird Festival, the Rio Grande Bird Festival, The Biggest Week in American Birding Festival, and the Cape May Spring Festival. She has also witnessed the epic sandhill crane migration while on a photography workshop trip to Colorado. Kirsten has participated in several GardenComm and Outdoor Writers Association of America annual conferences and is a member of the Wisconsin Society for Ornithology. When she's not researching, writing, and editing all things birding and gardening, Kirsten is enjoying the outdoors with her nature-loving family. She and her husband are slowly chipping away at making their small acreage the backyard of their dreams.