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Sticker of Propertius duskywing
Bug card No. 3420 of 4,939

Propertius duskywing

Erynnis propertius
Eats: Nectar and pollenButterfliesForests and woods6 legs

The Propertius duskywing is a small brown and grey skipper butterfly with a stout body and hooked tips on its feelers. Its mottled wings look like bark and dead leaves, so it is hard to spot. It zips around oak woods with quick, darting flight.

Lives in
The west coast of North America, from British Columbia to Baja California, in oak woods
Wingspan
3.5 to 4.5 cm (1.4 to 1.8 in)
Top speed
about 37 km/h (23 mph)
Flying, estimate
Can it hurt you?
Harmless
Harmless. It cannot bite or sting.
What does it eat?
The adult drinks nectar from wildflowers and sometimes sips minerals from damp soil. The caterpillars eat oak leaves.
For real!Photo of Propertius duskywing
Picture by S. Rae (back from hols, catching up) from Scotland, UK. CC BY 2.0, via Wikimedia Commons.

How big is it?

How wide are its wings?

Propertius duskywing wings about 4.5 cm tip to tip (1.8 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 8 grains of rice in a rowcould fly across a whole football pitch in 10 seconds

How big is Propertius duskywing compared to YOU?

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How fast is it?

cool stuff

Fun facts

1

It is one of the most common skippers in California.

2

Most of them stay within about a hundred metres of where they hatched for their whole life.

3

The caterpillar hides in a little silk nest and comes out to eat mostly at night.

4

In winter the caterpillar sleeps inside folded oak leaves that fall to the ground.

5

Males sit on low plants and dash out to check every butterfly that flies past.

you asked

Most asked questions about Propertius duskywing

?What does the Propertius duskywing eat?

The adults drink nectar from wildflowers. The caterpillars eat oak leaves, especially Garry oak.

?How big is the Propertius duskywing?

Its wings measure about 35 to 45 millimetres from tip to tip.

?Where does the Propertius duskywing live?

Along the west coast of North America, in open oak woods.

For bug experts

Scientific name
Erynnis propertius
Named by
Scudder & Burgess, 1870
Group
Butterflies
Family
Hesperiidae
Classification
Insecta > Lepidoptera > Hesperiidae
Lives on
North America

Where the facts come from

  1. Erynnis propertius (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 S. Rae (back from hols, catching up) from Scotland, UK. CC BY 2.0, 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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