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Sticker of Gray comma
Bug card No. 1999 of 4,939

Gray comma

Polygonia progne
Eats: PlantsButterfliesForests and woods6 legs

The gray comma is a butterfly with ragged edged wings that are bright orange brown on top. Underneath, its wings are charcoal grey, so when it closes them it looks like a dead leaf. A small silver mark shaped like an L hides on the underside.

Lives in
North America, in hilly country, along dirt roads and stream beds
Wingspan
4.4 to 6.3 cm (1.7 to 2.5 in)
Top speed
about 15 km/h (9.3 mph)
Flying, estimate
Can it hurt you?
Harmless
Harmless. It cannot bite or sting.
What does it eat?
The butterflies mostly drink tree sap, and only rarely flower nectar. The caterpillars eat gooseberry and azalea leaves.
For real!Photo of Gray comma
Picture by D. Gordon E. Robertson. CC BY-SA 3.0, via Wikimedia Commons.

How big is it?

How wide are its wings?

Gray comma wings about 6.3 cm tip to tip (2.5 in)A toy building brick about 3.2 cm (1.3 in)A crayon about 9 cm (3.5 in)A banana about 18 cm (7.1 in)
wings as wide as 2 toy building brickscould fly across a whole football pitch in 25 seconds

How big is Gray comma compared to YOU?

Just maths in your browser. Nothing is saved or sent anywhere.

How fast is it?

cool stuff

Fun facts

1

Unlike most butterflies, it hardly ever drinks from flowers. It prefers tree sap.

2

It flies twice a year, in spring and again in summer.

3

Summer butterflies often have a dark border on their back wings.

4

Its name comes from the little silver mark under its wing.

you asked

Most asked questions about Gray comma

?What does the gray comma eat?

The butterflies drink tree sap. The caterpillars eat gooseberry and azalea leaves.

?Why is it called the gray comma?

Because it is charcoal grey underneath and has a small silver mark there.

For bug experts

Scientific name
Polygonia progne
Named by
Cramer, 1775
Group
Butterflies
Family
Nymphalidae
Classification
Insecta > Lepidoptera > Nymphalidae
Lives on
North America
Also known as
Grey comma

Where the facts come from

  1. Polygonia progne (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 D. Gordon E. Robertson. 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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More from the same group: Butterflies

Also at home here: Forests and woods

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