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Sticker of Xami hairstreak
Bug card No. 4850 of 4,939

Xami hairstreak

Callophrys xami
Eats: Nectar and pollenButterfliesForests and woods6 legs

The xami hairstreak is a small butterfly with a tail on each back wing. Underneath, its back wings are yellowish green, with a thin white line that makes a W shape near the tails. It is a very rare butterfly.

Lives in
Southern Arizona and Texas, Mexico and Guatemala, on sunny mountain slopes near conifer woods
Wingspan
2.4 to 2.9 cm (0.94 to 1.1 in)
Top speed
about 10 km/h (6.2 mph)
Flying, estimate
Can it hurt you?
Harmless
Harmless. It does not bite or sting.
What does it eat?
Its caterpillars eat the thick, juicy leaves of succulent plants called Echeveria and Sedum. The grown-up butterflies sip flower nectar like other butterflies.
For real!Photo of Xami hairstreak
Picture by William Chapman Hewitson. Public domain, via Wikimedia Commons.

How big is it?

How wide are its wings?

Xami hairstreak wings about 2.9 cm tip to tip (1.1 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 38 seconds

How big is Xami hairstreak compared to YOU?

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

How fast is it?

cool stuff

Fun facts

1

The female lays her eggs under the leaves of juicy succulent plants, where they are better hidden from hungry animals.

2

Its eggs are tiny, less than 1 millimetre wide. They start pale green, slowly turn white and hatch after about a week.

3

The caterpillar starts only about 1 millimetre long and grows to about 16 millimetres before it becomes a pupa.

4

Males guard their own little patch. They sit on a plant, wait for a female to fly past and chase other males away.

you asked

Most asked questions about Xami hairstreak

?Where does the xami hairstreak live?

In southern Arizona and Texas, and south through Mexico to Guatemala, on sunny mountain and canyon slopes near conifer woods.

?How big is the xami hairstreak?

Its open wings are about 2.4 to 2.9 cm across.

?Is the xami hairstreak rare?

Yes. It is thought to be a very rare butterfly.

For bug experts

Scientific name
Callophrys xami
Named by
Reakirt, 1867
Group
Butterflies
Family
Lycaenidae
Classification
Insecta > Lepidoptera > Lycaenidae
Lives on
North America
Also known as
Green hairstreak, Elfin

Where the facts come from

  1. Callophrys xami (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 William Chapman Hewitson. Public domain, 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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