Marcus Chen
The Painted Lady butterfly (Vanessa cardui) is a medium-sized butterfly, with a wingspan ranging from 1.5 to 2.5 inches (4 to 6.5 cm) or 2 to 3.5 inches (5 to 9 cm) according to various sources. Females tend to be slightly larger than males, with broader wings. This butterfly species is known for its striking patterned wings, featuring a beautiful mosaic of orange, black, and white.
| Characteristics | Values |
|---|---|
| Common name | Painted Lady |
| Scientific name | Vanessa cardui |
| Size | Medium |
| Wingspan | 50-56mm or 2-2.5 inches or 2"-2.5" |
| Wing colour | Orange/brown with black and white spots |
| Wing edges | Scalloped |
| Hindwings | Four or five eyespots |
| Underside of wings | Softer, more muted colours for camouflage |
| Sexes | Similar, but females may be larger with broader wings |
| Food | Thistles <co: 0,1>(Cirsium spp. and Carduus spp.), mallows <co: 0>(Malva spp.), common nettle <co: 0>(Urtica dioica), viper's-bugloss <co: 0>(Echium vulgare), red clover, asters, hollyhock, legumes and other flowers |
| Habitat | Open, dry areas including gardens, coasts, mountain tops and beaches |
| Migration | Long-distance |
| Range | Worldwide except Antarctica and South America |
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What You'll Learn
Wingspan: 50-56mm
The Painted Lady butterfly (Vanessa cardui) is a medium-sized butterfly species with a wingspan of 50-56mm. This vibrant and highly mobile species is recognised by its orange-brown wings with black and white spots. The wings also feature a mosaic of orange, black, and white, with reddish-orange, pink, brown, and blue scales. The edges of the wings are distinctively scalloped, with the hindwings displaying four or five small submarginal eyespots. The underside of the wings mimics the pattern of the topside but with softer, more muted colours, providing camouflage when the butterfly is at rest.
Painted Lady butterflies are found nearly worldwide, in every continent except Australia and Antarctica. They are particularly known for their long-distance migrations, with some populations travelling from North Africa to the Arctic Circle in Europe and Asia, and from Mexico to Canada in North America. They can be found in a variety of habitats, from gardens to coasts and mountain tops, but they prefer open, dry areas.
The Painted Lady is a resilient species, able to survive in both rural and urban settings as long as flowering plants are available for nectar. They feed on a wide range of food plants, with thistles being their favourite source of nectar. They are also known to visit Bramble, Ivy, knapweeds, Buddleia, and heathers, among other flowers.
The Painted Lady has a fascinating life cycle that begins when a female lays her eggs on a host plant, usually on the underside of the leaves to protect them from predators and extreme weather. The larvae emerge as black caterpillars with spiky bristles and yellowish stripes or spots. They feed voraciously on the host plants, growing and shedding their skin several times before pupating. The chrysalis is usually suspended from the underside of a leaf or stem and is a mottled blend of browns and greys for camouflage.
The Painted Lady is a beautiful and resilient butterfly species, admired for its striking patterns and long-distance migratory capabilities. Its wingspan of 50-56mm makes it a medium-sized butterfly, allowing it to undertake its remarkable journeys and survive in a variety of habitats.
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Females are larger
The Painted Lady butterfly (Vanessa cardui) is a medium-sized butterfly species with a wingspan ranging from 1.5 to 2 inches (4 to 5 cm) to 2 1/4 inches (about 5.7 cm), or even up to 3.5 inches (9 cm) in some cases. While the overall size range may vary slightly depending on the source, it is generally agreed that females are slightly larger than males.
The female Painted Lady butterfly typically has a broader wingspan than her male counterpart, which falls within the range of 50-56mm or 1.97-2.2 inches. This slight difference in size between the sexes is not uncommon in the butterfly world and can be attributed to a variety of factors, including natural selection and sexual selection.
One of the key factors influencing the larger size of female Painted Lady butterflies is their reproductive role. Females need to have larger abdomens to accommodate a greater number of eggs, which they produce and lay after mating. This increased egg production requires more space, resulting in a larger body size. Additionally, the broader wings of female Painted Lady butterflies may provide greater endurance during long-distance migrations, as they are known to travel thousands of kilometres from Africa to Europe and across various continents.
The larger size of female Painted Lady butterflies may also be attributed to sexual selection, where males prefer potential mates. During the intricate courtship ritual, males actively pursue females, and if the female is receptive, she allows the male to catch up. This aerial dance, where the pair circle each other and fly in tandem, may favor females with broader wings and stronger flight endurance.
Furthermore, the larger size of female Painted Lady butterflies could be linked to their ability to carry more nectar, which is essential for their energy needs during migration and reproduction. The extra weight of nectar can be supported by their larger and stronger wings, ensuring they have sufficient fuel for their long journeys and the energy-intensive process of egg production.
In summary, the female Painted Lady butterfly's larger size, particularly her broader wings, offers advantages in terms of migration endurance, reproductive capacity, and nectar-carrying ability. These adaptations contribute to the overall resilience and success of the species, allowing them to navigate vast distances and ensure the survival of their offspring.
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Medium-sized
The Painted Lady butterfly (Vanessa cardui) is a medium-sized butterfly species. It is one of the most widespread butterfly species, found on every continent except Australia and Antarctica.
Painted Lady butterflies are recognised by their vibrant, patterned wings, which feature a beautiful mosaic of orange, black, and white. The wings are broad and span about 4 to 5 cm (1.5 to 2 inches) or 2 1/4 inches, with a range of 50-56mm. The edges are distinctively scalloped, and the undersides mimic the pattern of the topside but with softer, more muted colours, providing camouflage when the butterfly is at rest.
These medium-sized butterflies are renowned for their long migratory flights. They are highly mobile and can be found in a variety of habitats, from gardens to coasts and even mountain tops. They are particularly attracted to open, dry areas and are often seen in meadows and open fields.
The Painted Lady is a resilient species due to its migratory nature and the wide range of host plants it uses. It is a common sight in both rural and urban settings, as long as flowering plants are available for nectar.
The lifecycle of the Painted Lady begins when a female lays her eggs on a host plant, usually on the underside of leaves to protect them from predators and extreme weather. Upon hatching, the larvae emerge as black caterpillars with spiky bristles and yellowish stripes or spots. They feed voraciously on the host plants and go through several moulting stages before pupating.
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Worldwide population
The painted lady butterfly (Vanessa cardui) is one of the most widespread butterfly species in the world. It is found on every continent except Antarctica and South America, although its close relative, the Australian painted lady (V. kershawi), ranges over half the Australian continent.
Painted lady butterflies are particularly abundant in some years, frequenting gardens and other flowery places in late summer. They can be found in both rural and urban settings, as long as flowering plants are available for nectar. They are attracted to a wide variety of flowering plants, both wild and cultivated, and have been observed visiting gardens. They feed on the leaves of a wide variety of host plants (more than 100 species have been recorded), primarily in the families Compositae, Boraginaceae, and Malvaceae. Some of their preferred foods include calendula, hollyhock, mallow, sunflower, and thistles (including Canada thistle).
The painted lady butterfly is a long-distance migrant, causing some of the most spectacular butterfly migrations observed in Britain and Ireland. Each year, it spreads northwards from the desert fringes of North Africa, the Middle East, and central Asia, recolonizing mainland Europe and reaching Britain and Ireland. In North America, they are usually seen migrating in a northwestern direction during the spring, and sometimes a second migration back southward during autumn. Like Monarch butterflies, their migrations span multiple generations; it takes about six generations for the Painted Lady's round trip from Mexico to Canada and back.
The painted lady's migration patterns are highly erratic, and they do not migrate every year. Some evidence suggests that global climatic events, such as El Niño, may affect their migratory behaviour, causing large-scale migrations. For example, heavier-than-usual rain during the 2018-2019 winter caused an extraordinarily large migration observed in Israel at the end of March, estimated at a billion individual butterflies. Laboratory-raised autumn-generation painted lady butterflies were able to distinguish a southern orientation for a return migration path, suggesting that they require a direct view of the sky and use a solar compass to orient themselves.
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Size range: 2.0 - 2.5
The Painted Lady butterfly (Vanessa cardui) is a medium-sized butterfly species, with a wingspan ranging from 2 to 3.5 inches (approximately 5 to 9 cm). This measurement is consistent with the size range of 50-56mm provided by Butterfly Conservation.
The Painted Lady is a long-distance migrant, known for its spectacular migrations from the desert fringes of North Africa, through Europe and Asia, and even to the Arctic Circle. This makes it one of the most widespread butterfly species, found on every continent except Australia and Antarctica.
The size range of 2.0 to 2.5 inches (or 5 to 6.5 cm) falls within the overall wingspan range for this butterfly species. This size range likely represents the lower end of the wingspan for females, as they tend to be slightly larger than males.
The Painted Lady's wings are adorned with a beautiful mosaic of orange, black, and white. The wings are broad and distinctively scalloped, with the hindwings featuring four to five small, well-separated eyespots. This intricate patterning adds to the allure of this resilient and far-reaching butterfly species.
The size range of 2.0 to 2.5 inches is indicative of the Painted Lady's ability to adapt to various environments during its migrations. This wingspan provides a balance between agility and endurance, allowing these butterflies to cover vast distances while retaining maneuverability in different habitats, from open fields to gardens.
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Frequently asked questions
The Painted Lady butterfly is considered medium-sized, with a wingspan ranging from 1¾–2½ inches or 2-2.5 inches, or 5 to 9 cm.
Females may be slightly larger than males, with broader wings.
The scientific name for the Painted Lady butterfly is Vanessa cardui.
The Painted Lady butterfly is a long-distance migrant, capable of flying thousands of miles. It migrates from North Africa and the Middle East to Europe and Asia, and from Mexico to Canada.
