A white butterfly can be easy to recognize by color, but identifying the exact species may take a closer look. Many white butterflies have dark markings, spots, or veins that create the familiar black and white butterfly appearance seen in gardens, fields, and other open habitats.
One of the best-known examples is the cabbage white butterfly (Pieris rapae), a widespread species whose caterpillars feed on plants in the mustard family, including cabbage, broccoli, kale, and related crops. Other white butterflies can look quite different, from heavily veined species to butterflies with only a few dark spots.
In this guide, you’ll discover 20 fascinating white butterfly facts, including identification clues, habitat, behavior, life cycle, host plants, and several species you might encounter.
- See also Blue Butterfly
20 Fascinating Facts About the White Butterfly
1. “White Butterfly” Can Describe Many Species
The term white butterfly does not refer to just one species. Many white or mostly white butterflies belong to the family Pieridae, a large group that includes whites and sulphurs found around the world.
2. The Cabbage White Is One of the Best Known
The cabbage white butterfly (Pieris rapae) is one of the most familiar white butterflies. Its upper wings are mostly white with dark tips and small black markings.
3. Males and Females Have Different Spots
One handy identification clue is the number of dark spots on the forewings. Female cabbage whites typically have two, while males usually have one.
4. Their Caterpillars Love the Mustard Family
Cabbage white caterpillars feed on many plants in the mustard family (Brassicaceae). That includes familiar garden crops such as cabbage, broccoli, kale, cauliflower and related plants.
5. Their Green Caterpillars Can Be Hard to Spot
The caterpillars are green, helping them blend into the leaves on which they feed. This camouflage can make them difficult to notice until feeding damage appears.
6. Females Lay Eggs on Host Plants
Female cabbage whites lay individual eggs on host plants. After hatching, the caterpillars begin feeding on the vegetation that will support their growth.
7. They Can Produce Several Generations
Cabbage whites can have multiple generations in a single year. Butterflies and Moths of North America reports roughly two or three annual flights in northern parts of their North American range and as many as seven or eight farther south.
8. They Thrive Around People
The cabbage white has adapted remarkably well to human-altered environments. It can be found in gardens, roadsides, cities, suburbs, weedy areas and other open spaces.
9. Adults Drink Nectar
Adult cabbage whites visit many different flowers for nectar. Recorded nectar sources include dandelions, clover, asters, mints and mustards.
10. Their Wings Aren’t Completely White
Look closely and you’ll see that a cabbage white is really a black and white butterfly, with dark markings contrasting against predominantly pale wings. The undersides can also show yellow-green or gray-green coloring.
11. Seasonal Forms Can Look Different
Cabbage whites can vary somewhat in appearance depending on the season. Short-day spring and fall forms may be smaller and show reduced dark markings compared with other seasonal forms.
12. Males Patrol for Females
Rather than simply waiting in one location, male cabbage whites actively patrol through suitable habitat looking for receptive females.
13. They Spend Part of Their Lives as a Chrysalis
Like other butterflies, cabbage whites undergo complete metamorphosis: egg, caterpillar, chrysalis and adult. In colder regions, the chrysalis can also serve as the overwintering stage.
14. White Butterflies Aren’t All Cabbage Whites
Seeing a pale butterfly doesn’t automatically mean you’ve found Pieris rapae. The Pieridae family contains many white, yellow and orange species, so location, markings, wing shape and other features can help with identification.
15. The Black-Veined White Has a Very Different Pattern
The black-veined white butterfly (Aporia crataegi) is another striking white species. Its pale wings are crossed by conspicuous dark veins, creating a dramatic black-and-white appearance quite different from the smaller markings of the cabbage white.
16. Some White Butterflies Have Hidden UV Patterns
Human eyes don’t see everything displayed on a butterfly’s wings. Many members of the Pieridae family have ultraviolet patterns involved in courtship and communication.
17. The Florida White Is Another Distinct Species
The Florida White (Appias drusilla) is found in tropical America and southern Florida. Males are predominantly white, while female appearance can vary with the season.
18. Not Every Black-and-White Butterfly Is Closely Related
The descriptive phrase black and white butterfly can apply to butterflies from different groups. Color alone isn’t enough for reliable identification; wing pattern, size, location and behavior can all provide useful clues.
19. “Black and White Spot Butterfly” Is Better Used as a Description
Someone searching for a black and white spot butterfly may be describing a cabbage white or another pale butterfly with dark markings rather than one particular species. Checking the number and placement of spots can help narrow down the identification.
20. White Butterflies Are More Diverse Than They First Appear
From the familiar cabbage white butterfly to the black-veined white and Florida White, pale-colored butterflies vary considerably in size, markings, habitat and host plants. Looking beyond their basic color reveals a much more diverse group of insects.
- See also Painted Lady Butterfly
Why White Butterflies Are Worth Watching
White butterflies may seem ordinary because some species are so common, but a closer look reveals considerable variety in their markings, behavior, and habitat. The familiar cabbage white butterfly, for example, has adapted successfully to gardens, farms, roadsides, and other places where its host plants grow.
Learning to notice details such as dark wing tips, spots, veins, size, and location can help distinguish one white butterfly from another. Whether you spot a cabbage white visiting garden flowers or a striking black and white butterfly in a meadow, taking time to observe these insects can reveal just how diverse butterflies really are.