Cinnamon bug
The cinnamon bug is a small, bright red and black bug, about as long as a fingernail is wide. It belongs to a group called scentless plant bugs, because unlike many bugs it does not make a stinky smell. It sucks juice from lots of different plants.

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Fun facts
Many bugs can make a nasty smell, but this one cannot, because it has no proper smell glands.
People often mix it up with the firebug, which is also red and black but is not a close relative.
You can find grown-ups all year round, because they spend the winter as adults.
In Britain it is slowly spreading further north.
Most asked questions about Cinnamon bug
?Is the cinnamon bug dangerous?
No. It is harmless and only sucks plant juice.
?What is the difference between a cinnamon bug and a firebug?
They look alike in red and black, but they are different kinds of bugs. The cinnamon bug has see-through wing tips with lots of tiny veins.
?How big is a cinnamon bug?
A grown-up is about 9 millimetres long.
For bug experts
- Scientific name
- Corizus hyoscyami
- Named by
- Linnaeus, 1758
- Group
- True bugs and cicadas
- Family
- Rhopalidae
- Classification
- Insecta > Hemiptera > Rhopalidae
- Lives on
- Europe, Africa
- Also known as
- Black and red squash bug
Where the facts come from
- Corizus hyoscyami (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 Hectonichus. CC BY-SA 3.0, 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.