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Sticker of Red-headed pine sawfly
Bug card No. 3576 of 4,939

Red-headed pine sawfly

Neodiprion lecontei
Name means: “lecontei honours John Lawrence LeConte, an American bug scientist”
Eats: PlantsWasps and hornetsForests and woods6 legs

The red-headed pine sawfly is a small cousin of the wasps that lives in pine woods. The female has a reddish brown head and a black body, while the male is all black. Its larvae look like caterpillars and love to eat pine needles.

Lives in
Eastern North America, from south-eastern Canada to Texas and Florida, in pine woods
Length
5 to 8.5 mm (0.2 to 0.33 in)
males are a bit smaller than females
Top speed
about 16 km/h (9.9 mph)
Flying, estimate
What does it eat?
The larvae eat pine needles, and they gobble them in big hungry groups. Young larvae nibble the sides of a needle, older ones eat the whole thing.
For real!Photo of Red-headed pine sawfly
Picture by Judy Gallagher. CC BY 4.0, via Wikimedia Commons.

How big is it?

How long is it?

Red-headed pine sawfly about 8.5 mm long (0.33 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 520 times its own body length every second

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cool stuff

Fun facts

1

The mother cuts tiny slits in pine needles and tucks one egg into each slit.

2

The larvae live together in groups. When a tree has no needles left, they all march to the next tree.

3

The males have feathery feelers, while the females have feelers with little teeth like a saw.

4

The older larvae are yellowish green with rows of black spots and brown heads.

you asked

Most asked questions about Red-headed pine sawfly

?What does the red-headed pine sawfly eat?

Its larvae eat pine needles. They like small pine trees best.

?Is it a caterpillar?

Its larva looks like one, but it is the baby of a sawfly, not of a butterfly or moth.

For bug experts

Scientific name
Neodiprion lecontei
Group
Wasps and hornets
Family
Diprionidae
Classification
Insecta > Hymenoptera > Diprionidae
Lives on
North America
Also known as
Leconte's sawfly

Where the facts come from

  1. Neodiprion lecontei (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 Judy Gallagher. CC BY 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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