Spotted cucumber beetle
The spotted cucumber beetle is a tiny greenish-yellow beetle with black spots on its back. It is only about half a centimetre long. Farmers and gardeners know it well because it loves to munch cucumbers, squash and corn.

How big is it?
How long is it?
How big is Spotted cucumber beetle compared to YOU?
Just maths in your browser. Nothing is saved or sent anywhere.
How fast is it?
Fun facts
One female can lay 150 to 400 eggs, and some lay as many as 1,200.
The larvae are yellowish and look like little worms. They live in the soil and eat roots.
In winter an adult can live for about 200 days.
Ground beetles and wolf spiders help farmers by eating these beetles.
It can carry plant diseases from one plant to another.
Most asked questions about Spotted cucumber beetle
?Is the spotted cucumber beetle harmful?
Not to people. It eats crops and can spread plant diseases, so gardeners do not like it.
?What does the spotted cucumber beetle eat?
Leaves, flowers and fruits of many plants, especially squash and cucumbers. Its larvae eat roots.
?How big is a spotted cucumber beetle?
About half a centimetre long.
For bug experts
- Scientific name
- Diabrotica undecimpunctata
- Group
- Beetles
- Family
- Chrysomelidae
- Classification
- Insecta > Coleoptera > Chrysomelidae
- Lives on
- North America
- Also known as
- Southern corn rootworm, Western cucumber beetle
Where the facts come from
- Diabrotica undecimpunctata (Wikipedia, CC BY-SA 4.0): what it looks like, where it lives, what it eats, sizes and fun facts, retold in simple words.
- Picture by Rhododendrites. CC BY-SA 4.0, Wikimedia Commons. The round sticker of this bug is cut from the same picture.
If we got something wrong, sorry, we are bug fans, not a science journal. Tell us at hello@bugwiki.app and we will fix it.