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Sticker of Larger elm leaf beetle
Bug card No. 2545 of 4,939

Larger elm leaf beetle

Monocesta coryli
Name means: “Its scientific name coryli means of the hazel, even though it mostly eats elm.”
Eats: PlantsBeetlesForests and woods6 legs

The larger elm leaf beetle is a fairly big orange leaf beetle with shiny blue-green spots. Some have brown spots or no spots at all. It lives mostly on elm trees in North America.

Lives in
Eastern and southeastern North America, from Florida to Kansas and Pennsylvania
Length
1 to 1.6 cm (0.39 to 0.63 in)
Top speed
about 0.52 km/h (0.32 mph)
On foot, estimate
Can it hurt you?
Harmless
Harmless. It cannot bite or sting people.
What does it eat?
It eats elm leaves and sometimes hazel leaves, leaving just the thin veins behind like a skeleton.
For real!Photo of Larger elm leaf beetle
Picture by Judy Gallagher. CC BY 2.0, via Wikimedia Commons.

How big is it?

How long is it?

Larger elm leaf beetle about 1.6 cm long (0.63 in)A grain of rice about 6 mm (0.24 in)A toy building brick about 3.2 cm (1.3 in)A crayon about 9 cm (3.5 in)
as long as 2.5 grains of rice in a rowcould run across a dinner table in 6.9 seconds

How big is Larger elm leaf beetle compared to YOU?

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cool stuff

Fun facts

1

It is the only member of its big tropical group, Monocesta, that lives in the United States.

2

It skeletonizes leaves, eating the soft parts and leaving a lacy net of veins.

3

Its scientific name coryli refers to hazels, even though it mostly eats elm.

you asked

Most asked questions about Larger elm leaf beetle

?What does the larger elm leaf beetle eat?

Mostly elm leaves, and sometimes hazel leaves.

?What does the larger elm leaf beetle look like?

It is orange with metallic blue-green spots and 1 to 1.6 centimetres long.

For bug experts

Scientific name
Monocesta coryli
Group
Beetles
Family
Chrysomelidae
Classification
Insecta > Coleoptera > Chrysomelidae
Lives on
North America

Where the facts come from

  1. Monocesta coryli (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 Judy Gallagher. CC BY 2.0, Wikimedia Commons. The sticker of this bug is drawn from this picture.

If we got something wrong, sorry, we are bug fans, not a science journal. Tell us at [email protected] and we will fix it.

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More from the same group: Beetles

Also at home here: Forests and woods

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