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Sticker of Bramble sawfly
Bug card No. 0599 of 4,939

Bramble sawfly

Arge cyanocrocea
Name means: “its larvae eat the leaves of brambles”

The bramble sawfly is a small insect with a black head, a bright orange body and reddish legs. Its wings have a wide dark band across them. You can see it on flowers in early summer.

Lives in
Most of Europe, the Caucasus, Turkey and Japan, in sunny places with flowers
Length
7 to 8 mm (0.28 to 0.31 in)
Top speed
about 16 km/h (9.9 mph)
Flying, estimate
What does it eat?
Grown-ups eat pollen and nectar from flowers like ground elder, hogweed and tansy. The larvae munch blackberry and raspberry leaves.
For real!Photo of Bramble sawfly
Picture by Hectonichus. CC BY-SA 3.0, via Wikimedia Commons.

How big is it?

How long is it?

Bramble sawfly about 8 mm long (0.31 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 fly across a whole football pitch in 24 secondsmoves 560 times its own body length every second

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cool stuff

Fun facts

1

Its larvae look just like caterpillars, but they have five pairs of stubby back legs, while caterpillars have four.

2

It does not have the thin waist that most wasps have.

3

You can see the grown-ups from May to July.

4

Its little red legs have tiny black rings, like striped socks.

you asked

Most asked questions about Bramble sawfly

?What does the bramble sawfly eat?

The grown-ups eat pollen and nectar, and the larvae eat bramble leaves, like blackberry and raspberry.

Myth buster

Myth: A sawfly is a kind of fly.

Truth: No. Sawflies are cousins of wasps and bees, not of flies.

For bug experts

Scientific name
Arge cyanocrocea
Group
Wasps and hornets
Family
Argidae
Classification
Insecta > Hymenoptera > Argidae
Lives on
Europe, Asia

Where the facts come from

  1. Arge cyanocrocea (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 Hectonichus. 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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