Bug Wiki
Sticker of Western white
Bug card No. 4706 of 4,939

Western white

Pontia occidentalis
Eats: PlantsButterfliesGardens and meadows6 legs

The western white is a white butterfly from western North America. Underneath, the tips of its front wings and its back wings have veins drawn in grey green. Its caterpillars like the flowers and seed pods of plants in the cabbage family.

Lives in
Western North America
Wingspan
3.8 to 5.3 cm (1.5 to 2.1 in)
Top speed
about 14 km/h (8.7 mph)
Flying, estimate
Can it hurt you?
Harmless
Harmless. It cannot bite or sting.
What does it eat?
Its caterpillars eat plants of the mustard and cabbage family, especially the flowers, buds and seed pods.
For real!Photo of Western white
Picture by Walter Siegmund (talk). CC BY 2.5, via Wikimedia Commons.

How big is it?

How wide are its wings?

Western white wings about 5.3 cm tip to tip (2.1 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 1.5 toy building brickscould fly across a whole football pitch in 27 seconds

How big is Western white compared to YOU?

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How fast is it?

cool stuff

Fun facts

1

Its wings measure about 4 to 5 centimetres from tip to tip.

2

In the north it has one family of babies a year, flying in June and July.

3

In the south it has two families and flies from May to August.

you asked

Most asked questions about Western white

?What does the western white eat?

Its caterpillars eat plants of the cabbage and mustard family, mostly their flowers and seed pods.

?Where does the western white live?

In western North America.

For bug experts

Scientific name
Pontia occidentalis
Group
Butterflies
Family
Pieridae
Classification
Insecta > Lepidoptera > Pieridae
Lives on
North America

Where the facts come from

  1. Pontia occidentalis (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 Walter Siegmund (talk). CC BY 2.5, 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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