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Sticker of California hairstreak
Bug card No. 0763 of 4,939

California hairstreak

Satyrium californica
Eats: Nectar and pollenButterfliesGardens and meadows6 legs

The California hairstreak is a small butterfly that is brown on top and grey underneath. Under its wings it has a row of black spots and orange markings near the edge. Each back wing has two thin tails and a pale blue spot.

Lives in
Western North America, from British Columbia to southern California and east to Colorado
Wingspan
2.5 to 3.2 cm (0.98 to 1.3 in)
Top speed
about 11 km/h (6.8 mph)
Flying, estimate
Can it hurt you?
Harmless
Harmless. Butterflies cannot bite or sting.
What does it eat?
Grown-ups drink nectar from flowers like wild buckwheat and milkweed. The caterpillars eat the leaves of oaks, cherry trees, willows and many other plants.
For real!Photo of California hairstreak
Picture by Judy Gallagher. CC BY 2.0, via Wikimedia Commons.

How big is it?

How wide are its wings?

California hairstreak wings about 3.2 cm tip to tip (1.3 in)A grain of rice about 6 mm (0.24 in)A toy building brick about 3.2 cm (1.3 in)A crayon about 9 cm (3.5 in)
wings as wide as 5 grains of rice in a rowcould fly across a whole football pitch in 34 seconds

How big is California hairstreak compared to YOU?

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How fast is it?

cool stuff

Fun facts

1

It spends the winter as an egg, waiting for spring.

2

Grown-ups can be seen from April to September, depending on where they live.

3

Its caterpillars are not picky at all and can eat many different trees and bushes.

4

There are five slightly different kinds of it in different places.

you asked

Most asked questions about California hairstreak

?Where does the California hairstreak live?

In western North America, from British Columbia in Canada to southern California and east to Colorado.

?When can you see the California hairstreak?

From April to September, depending on the place.

For bug experts

Scientific name
Satyrium californica
Group
Butterflies
Family
Lycaenidae
Classification
Insecta > Lepidoptera > Lycaenidae
Lives on
North America

Where the facts come from

  1. Satyrium californica (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 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: Gardens and meadows

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