Bluegrass billbug

The bluegrass billbug is a small brown, grey or black weevil from North America. It has a long snout that curves downwards, like a little bill. It lives in grassy places, lawns and grain fields.

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Fun facts
About a third of its whole body length is its long, curved snout.
It hardly ever flies. It prefers to scramble around between the plants.
When it eats a leaf that is still rolled up, it leaves a neat row of identical little holes.
The mother chews a hole in a grass stem and puts one egg inside. A mother can lay 40 to 200 eggs.
The white larva has no legs and hollows out the stem from the inside.
Most asked questions about Bluegrass billbug
?What does the bluegrass billbug eat?
Young grass shoots, corn and grain. It especially likes Kentucky bluegrass.
?How big is the bluegrass billbug?
About 6 millimetres long, including its long snout.
?Is the bluegrass billbug harmful?
Not to people, but it can damage lawns and crops.
For bug experts
- Scientific name
- Sphenophorus parvulus
- Named by
- Gyllenhaal, 1838
- Group
- Beetles
- Family
- Curculionidae
- Classification
- Insecta > Coleoptera > Curculionidae
- Lives on
- North America
Where the facts come from
- Sphenophorus parvulus (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 Joseph Berger, Bugwood.org. CC BY 3.0 us, 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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