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Sticker of Lupine blue
Bug card No. 2700 of 4,939

Lupine blue

Icaricia lupini
Eats: Nectar and pollenButterfliesGardens and meadows6 legs

The lupine blue is a little butterfly from western North America. It belongs to the blues, a group of small, dainty butterflies. It flutters over mountains and high plains and sips nectar from flowers.

Lives in
Southwestern Canada, the western United States and northern Mexico, in mountains and high plains
Wingspan
1.7 to 2.9 cm (0.67 to 1.1 in)
Top speed
about 10 km/h (6.2 mph)
Flying, estimate
Can it hurt you?
Harmless
Harmless. It cannot bite or sting.
What does it eat?
The butterflies drink nectar from wild buckwheat, daisy-like flowers and wild onions. The caterpillars eat the flowers, seeds, fruits and leaves of wild buckwheat.
For real!Photo of Lupine blue
Picture by Ingrid Taylar. CC BY 2.0, via Wikimedia Commons.

How big is it?

How wide are its wings?

Lupine blue 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 Lupine blue compared to YOU?

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How fast is it?

cool stuff

Fun facts

1

Its wings measure only about 2 to 3 centimetres from tip to tip.

2

The mother lays her eggs on or near the flowers of the plant her caterpillars will eat.

3

It spends the winter as a very young caterpillar, resting until spring.

4

In many places there are several families of butterflies each year, flying from March to July.

you asked

Most asked questions about Lupine blue

?What does the lupine blue eat?

The butterflies drink nectar, and the caterpillars eat wild buckwheat plants, not lupines.

?Is the lupine blue dangerous?

No. It is a tiny, harmless butterfly.

Myth buster

Myth: Lupine blue caterpillars live on lupine plants.

Truth: No. Despite its name, its caterpillars eat wild buckwheat plants instead.

For bug experts

Scientific name
Icaricia lupini
Group
Butterflies
Family
Lycaenidae
Classification
Insecta > Lepidoptera > Lycaenidae
Lives on
North America

Where the facts come from

  1. Icaricia lupini (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 Ingrid Taylar. 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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