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Sticker of Common flathorn plant bug
Bug card No. 1045 of 4,939

Common flathorn plant bug

Heterotoma planicornis
Name means: “flat horn, after the wide flat part of its feelers”

The common flathorn plant bug is a small dark bug with pale green legs. Its feelers look really strange, because one part of each is wide and flat. Its young ones are reddish and have the same funny feelers.

Lives in
Europe and North America, in gardens, hedges and old orchards
Length
4.6 to 5.5 mm (0.18 to 0.22 in)
Top speed
about 0.14 km/h (0.09 mph)
On foot, estimate
Can it hurt you?
Harmless
Harmless to people. It is a tiny bug that cannot hurt you.
What does it eat?
It hunts aphids, mites, small spiders and insect eggs, and also sips plant juice, nectar and unripe fruit.
For real!Photo of Common flathorn plant bug
Picture by TristramBrelstaff. CC BY-SA 3.0, via Wikimedia Commons.

How big is it?

How long is it?

Common flathorn plant bug about 5.5 mm long (0.22 in)A grain of rice about 6 mm (0.24 in)A toy building brick about 3.2 cm (1.3 in)
small enough to sit on your fingernailcould run across a dinner table in 26 seconds

How big is Common flathorn plant bug compared to YOU?

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How fast is it?

cool stuff

Fun facts

1

Its eggs spend the winter tucked inside young twigs.

2

The young bugs hatch in May and are grown up by June.

3

It likes hawthorn, alder, hazel, oak, nettles and tansy.

4

It lives in much of Europe, but not in Finland or the Baltic countries.

you asked

Most asked questions about Common flathorn plant bug

?What does the common flathorn plant bug eat?

Both small animals like aphids and mites, and plant juices, nectar and buds.

?Why is it called a flathorn?

Because part of each feeler is wide and flat, a bit like a flat horn.

For bug experts

Scientific name
Heterotoma planicornis
Group
True bugs and cicadas
Family
Miridae
Classification
Insecta > Hemiptera > Miridae
Lives on
Europe, North America

Where the facts come from

  1. Heterotoma planicornis (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 TristramBrelstaff. 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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