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Sticker of False potato beetle
Bug card No. 0501 of 1,500

False potato beetle

Leptinotarsa juncta
Eats: PlantsBeetlesGardens and meadows6 legs

The false potato beetle is a round, striped little beetle that looks almost exactly like the famous Colorado potato beetle. It has black and white stripes on its back, with one light brown stripe in the middle of each wing case. That brown stripe is how you can tell it apart.

Lives in
The eastern United States, from the southeast up to Maine
Top speed
about 0.5 km/h (0.31 mph)
On foot, estimate
Can it hurt you?
Harmless
Harmless to people, and unlike its cousin it is not a serious garden pest.
What does it eat?
It eats wild weeds from the nightshade family, like horsenettle and ground cherry. It can nibble potato leaves, but it cannot grow up or have babies on potatoes.
For real!Photo of False potato beetle
Picture by The original uploader was Mattrupp at English Wikipedia .. CC BY 2.5, via Wikimedia Commons.

How fast is it?

cool stuff

Fun facts

1

Its babies are humpbacked larvae with one row of dark spots on each side.

2

In one summer there can be up to three new generations of these beetles.

3

The grown-ups spend the winter in the soil and come out in late spring or early summer.

4

Even though it looks so much like the Colorado potato beetle, the two kinds cannot have babies together.

you asked

Most asked questions about False potato beetle

?How do you tell a false potato beetle from a Colorado potato beetle?

Look at the middle of each wing case. The false potato beetle has a light brown stripe there instead of a white one.

?Does the false potato beetle eat potatoes?

Not really. It lives on wild weeds and cannot grow on potato plants.

?Is the false potato beetle a pest?

No, only its cousin the Colorado potato beetle is a serious pest.

For bug experts

Scientific name
Leptinotarsa juncta
Group
Beetles
Family
Chrysomelidae
Classification
Insecta > Coleoptera > Chrysomelidae
Lives on
North America

Where the facts come from

  1. False potato beetle (Wikipedia, CC BY-SA 4.0): what it looks like, where it lives, what it eats, sizes and fun facts, retold in simple words.
  2. Picture by The original uploader was Mattrupp at English Wikipedia .. CC BY 2.5, 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.

More from the same group: Beetles

Also at home here: Gardens and meadows