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Sticker of Hackberry blister gall psyllid
Bug card No. 2144 of 4,939

Hackberry blister gall psyllid

Pachypsylla celtidisvesicula
Eats: PlantsTrue bugs and cicadasGardens and meadows6 legs

The hackberry blister gall psyllid is a tiny insect from North America. It is famous for what its babies do to leaves. They make the leaves of hackberry trees grow little bumps that look like blisters.

Lives in
North America, on hackberry trees
Top speed
about 0.2 km/h (0.12 mph)
On foot, estimate
Can it hurt you?
Harmless
Harmless. It is far too small to hurt you.
What does it eat?
It feeds on hackberry trees. The babies live and feed inside the blister bumps on the leaves.
For real!Photo of Hackberry blister gall psyllid
Picture by Memer15151. CC BY-SA 4.0, via Wikimedia Commons.

How fast is it?

cool stuff

Fun facts

1

Its babies, called nymphs, make the leaf grow a bump around them called a gall.

2

It lives on many different kinds of hackberry trees.

3

The grown-up looks almost exactly like its cousin, the hackberry nipplegall psyllid, which is more common.

you asked

Most asked questions about Hackberry blister gall psyllid

?What are the bumps on hackberry leaves?

Some of them are galls made by the babies of this little insect. The babies live inside them.

?Is the hackberry blister gall psyllid harmful?

Not to people. It is a tiny insect that only lives on hackberry trees.

For bug experts

Scientific name
Pachypsylla celtidisvesicula
Group
True bugs and cicadas
Family
Aphalaridae
Classification
Insecta > Hemiptera > Aphalaridae
Lives on
North America
Also known as
Hackberry blistergall psyllid

Where the facts come from

  1. Pachypsylla celtidisvesicula (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 Memer15151. CC BY-SA 4.0, 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: True bugs and cicadas

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