Western grape rootworm
The western grape rootworm is a small black leaf beetle covered in dull yellow-grey hairs. Some have reddish brown wing covers instead of black ones. It lives across the northern half of the world.
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Fun facts
In Europe all of them are females that lay eggs without any males, but in North America there are mums and dads.
It can make sounds with a special spot near the end of each wing.
Fossils of this beetle from the last Ice Age have been found in north-eastern Russia.
In Britain it is now known from only one place, in Scotland.
It is the only species in its genus, Bromius.
Most asked questions about Western grape rootworm
?How big is the western grape rootworm?
It is small, only about 5 to 6 millimetres long.
?Why do grape growers dislike the western grape rootworm?
Because it damages grape vines in Europe and western North America.
For bug experts
- Scientific name
- Bromius obscurus
- Named by
- Linnaeus, 1758
- Group
- Beetles
- Family
- Chrysomelidae
- Classification
- Insecta > Coleoptera > Chrysomelidae
- Lives on
- North America, Europe, Asia
Where the facts come from
- Bromius obscurus (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 James K. Lindsey. CC BY-SA 3.0, 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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