Entoma
Large white, Pieris brassicae, plate

Whites and yellows

Pieris brassicae

Large white

Females lay eggs in batches of 20 to 60, and the young caterpillars feed together in a tight group rather than scattering singly.

WhereGardens, allotments and farmland with brassica crops
Size63 to 70 mm wingspan
WhenApril to September

Bright white wings carry a black patch at the forewing tip that curves down the trailing edge; females also show two black spots that males lack.

Caterpillars feed communally on brassica leaves and are a familiar pest of garden cabbages, unlike most other white butterflies.

Traits

Habitat

Garden

Colour

White, Black

Active

Day

To people

Harmless to handle; caterpillars are a common pest of cabbages

Activity through the year

Often confused with

Small whiteOpen entry ›
Pieris rapae

The small white is smaller with a straighter black wingtip that does not reach far down the trailing edge, unlike the large white's bold curved patch.

Questions

Is the Large white dangerous to people?

Harmless to handle; caterpillars are a common pest of cabbages.

When can you see the Large white?

The Large white can be seen from April to September, by day.

Plate retouched from a photo by Didier Descouens, CC BY‑SA 4.0, Wikimedia Commons Licence

The plate on this page is shared under the same licence as its source, CC BY-SA.

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Butterflies and moths›Whites and yellows›Pieris

Last updated 2026-09-26. Every entry is checked against published sources.