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Sticker of Introduced pine sawfly
Bug card No. 2365 of 4,939

Introduced pine sawfly

Diprion similis
Eats: PlantsWasps and hornetsForests and woods6 legs

Its babies look a lot like caterpillars and munch on pine needles. It came from Europe and Asia and travelled by accident to North America.

Lives in
Central and northern Europe and Asia, and now eastern North America, in pine forests
Length
0.7 to 1 cm (0.28 to 0.39 in)
Top speed
about 17 km/h (11 mph)
Flying, estimate
What does it eat?
Its larvae eat pine needles, and they like the white pine best of all.
For real!Photo of Introduced pine sawfly
Picture by Ivar Leidus. CC BY-SA 4.0, via Wikimedia Commons.

How big is it?

How long is it?

Introduced pine sawfly about 1 cm long (0.39 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 fingernailas long as 1.5 grains of rice in a rowcould fly across a whole football pitch in 22 secondsmoves 470 times its own body length every second

How big is Introduced pine sawfly compared to YOU?

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How fast is it?

cool stuff

Fun facts

1

The mother cuts a little slit in a pine needle and lays about ten eggs inside it.

2

Males have feathery feelers, while females have feelers with tiny teeth like a saw.

3

It was first found in North America in 1914, in Connecticut, and then spread far.

4

Some larvae sleep in their cocoon for up to three years before they grow up.

you asked

Most asked questions about Introduced pine sawfly

?What does the pine sawfly eat?

Its larvae eat pine needles, most of all from white pines.

For bug experts

Scientific name
Diprion similis
Group
Wasps and hornets
Family
Diprionidae
Classification
Insecta > Hymenoptera > Diprionidae
Lives on
Europe, Asia, North America
Also known as
Imported pine sawfly, White pine sawfly

Where the facts come from

  1. Diprion similis (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 Ivar Leidus. 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: Wasps and hornets

Also at home here: Forests and woods

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