Clustered gall wasp
Andricus brunneus
The clustered gall wasp is a tiny brown wasp from the west coast of North America. It makes oak leaves grow little round balls called galls. Its baby lives safely inside one of these balls.
Lives in
The Pacific coast of North America, on white oaks
Length
3 mm (0.12 in)
What does it eat?
The baby grows inside a gall on an oak leaf and feeds on the gall from the inside.
How big is it?
How long is it?
💅small enough to sit on your fingernail⚽could fly across a whole football pitch in 40 seconds⚡moves 880 times its own body length every second
How big is Clustered gall wasp compared to YOU?
Just maths in your browser. Nothing is saved or sent anywhere.
How fast is it?
A person walking about 5 km/h (3.1 mph)
Clustered gall wasp about 9.5 km/h (5.9 mph)
A kid running fast about 13 km/h (8.1 mph)
A grown-up on a bike about 25 km/h (16 mph)
cool stuff
Fun facts
1
Its galls grow in groups on the leaves, which is where the name "clustered" comes from.
2
Each gall is about 6 millimetres wide, reddish to light brown, and holds one single baby.
3
Only females of this species have ever been found.
4
The grown-up wasps come out of their galls in autumn.
you asked
Most asked questions about Clustered gall wasp
?What is an oak gall?
A small round growth that the oak makes on its leaf, where the wasp baby lives and eats.
For bug experts
- Scientific name
- Andricus brunneus
- Group
- Wasps and hornets
- Family
- Cynipidae
- Classification
- Insecta > Hymenoptera > Cynipidae
- Lives on
- North America
Where the facts come from
- Andricus brunneus (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 Franco Folini from San Francisco, USA. CC BY-SA 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.
Bug Wiki honey jar For grown-ups: Bug Wiki is free, with no ads and no tracking. A small tip helps keep it online.Leave a tip
European hornet
Northern giant hornet
Bald-faced hornet
Red velvet ant
Eastern cicada killer
Asian hornet
Mournful duskywing
Hologram moth
Morbid owlet
Northern fruit bug
Festoon
Oak jumping spider_(10392387066).jpg){kind=link}