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Sticker of Fatal metalmark
Bug card No. 1638 of 4,939

Fatal metalmark

Calephelis nemesis
Eats: Nectar and pollenButterfliesDeserts and dry places6 legs

The fatal metalmark is a tiny brown butterfly. Its wings are only about 2 cm across. It lives in dry canyons near rivers in the southern United States and Mexico.

Lives in
The southern United States and Mexico, in dry canyons near rivers, by roads and in dry stream beds
Wingspan
2 to 2.5 cm (0.79 to 0.98 in)
Top speed
about 9.7 km/h (6 mph)
Flying, estimate
Can it hurt you?
Harmless
Harmless. It does not bite or sting.
What does it eat?
The grown-ups drink from flowers. The caterpillars eat plants like clematis, brittlebush and seep willow.
For real!Photo of Fatal metalmark
Picture by Mike. CC BY-SA 3.0, via Wikimedia Commons.

How big is it?

How wide are its wings?

Fatal metalmark wings about 2.5 cm tip to tip (0.98 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 4 grains of rice in a rowcould fly across a whole football pitch in 39 seconds

How big is Fatal metalmark compared to YOU?

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How fast is it?

cool stuff

Fun facts

1

Another name for it is the dusky metalmark.

2

There are four kinds of it, living in Arizona, Mexico, Texas and California.

3

Its caterpillars eat clematis vines.

you asked

Most asked questions about Fatal metalmark

?Where does the fatal metalmark live?

In the southern United States and Mexico, in dry canyons near rivers.

?How big is the fatal metalmark?

It is tiny. Its open wings are only about 2 to 2.5 cm across.

For bug experts

Scientific name
Calephelis nemesis
Group
Butterflies
Family
Riodinidae
Classification
Insecta > Lepidoptera > Riodinidae
Lives on
North America
Also known as
Dusky metalmark

Where the facts come from

  1. Calephelis nemesis (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 Mike. 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: Deserts and dry places

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