Priya Kapoor
The Painted Lady butterfly is a colourful, migratory species with a wingspan of around 2-2½”. The females of this species lay their eggs on host plants, and the selection of these plants is crucial, as they provide the necessary nutrients for the caterpillars to grow and eventually metamorphose into adult butterflies. So, which plants do Painted Ladies lay their eggs on?
| Characteristics | Values |
|---|---|
| Plant Families | Asteraceae, Compositae, Boraginaceae, Malvaceae |
| Plant Species | Thistles, Mallows, Hollyhock, Asters, Alfalfa, Clovers, Knapweeds, Sunflowers, Sages, Calendula, Cosmos, Blazing Star, Joe-Pye Weed, Milkweeds, Butterfly Bush, Heliotrope, Anise Hyssop, Marigolds, Scabiosa, Sedums, Sweet William, Verbena Bonariensis |
| Plant Height | 3-6 feet |
| Leaf Characteristics | Compound leaves with small, clustered flowers |
| Caterpillar Food | Leaves of host plants |
| Adult Butterfly Food | Flower nectar, aphid honeydew, mineral-rich mud puddles or damp soil |
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What You'll Learn
Thistles, sunflowers, and legumes are favoured
The Painted Lady butterfly is a beautiful insect with a vibrant mosaic of orange, black, and white on its wings. These butterflies are not territorial and males do not defend specific areas. Instead, they patrol widely in search of females. The courtship and mating processes are vital for the survival of the species, especially as Painted Ladies are migratory.
Painted Lady butterflies are generalist feeders and are known to visit over 100 different kinds of plants, making them important pollinators. They are drawn to plants in the Asteraceae family, which are characterised by their tall height of 3-6 feet. Some of the plants in this family include blazing star, cosmos, New England aster, Joe-pye weed, Mexican sunflower, purple coneflower, and zinnias.
Among the many plants that Painted Lady butterflies visit, they have some favoured choices for laying their eggs. These include thistles, sunflowers, and legumes. Thistles, belonging to the Asteraceae family, are characterised by their prickly stems and distinctive, often purple, flower heads. They provide ample nutrition for Painted Lady caterpillars, making them an ideal host plant.
Sunflowers, on the other hand, belong to the Compositae family, and are known for their tall height and bright yellow flowers. Legumes, such as alfalfa (Medicago sativa) and clover (Trifolium), are characterised by their nitrogen-fixing abilities and compound leaves with small, clustered flowers. These plants provide the necessary nutrients for the caterpillars to grow and metamorphose into adult butterflies.
The selection of host plants for egg-laying is crucial, as it directly impacts the survival and development of the Painted Lady caterpillars. These plants provide both food and housing for the larval stage of the butterflies. The caterpillars feed on the leaves of the host plants, sheltering in silk nests they make for protection from predators. As they grow and develop, they can consume large quantities of foliage.
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The Asteraceae family is a common choice
Aster (Aster) is a favoured choice within this family, characterised by its daisy-like appearance, providing abundant nectar for Painted Ladies. Blazing star, ironweed, and Joe Pye weed are also attractive to these butterflies. The larvae of the Painted Lady also benefit from this choice as thistles, a preferred host plant for caterpillars, are in the Asteraceae family. Thistles are characterised by their prickly stems and distinctive, often purple, flower heads. These plants provide ample nutrition for Painted Lady caterpillars, making them an ideal host plant.
Other plants in the Asteraceae family that are host plants for the larvae of the Painted Lady include Pearly Everlasting (Anaphalis margaritaceae) and Mule Ears (Wytheia spp.). These plants provide the necessary nutrients for the caterpillars to grow and eventually metamorphose into adult butterflies. The selection of host plants is crucial for the survival of the offspring.
The female Painted Lady butterfly will lay her eggs on the underside of the leaves of the host plant, typically laying them singly. Each female can lay hundreds of eggs throughout her lifespan, distributing them across multiple host plants. This ensures the survival of her offspring, as the eggs are protected from predators and extreme weather.
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Plants in the Malvaceae family are also popular
Painted lady butterflies are not territorial and do not defend specific areas. Instead, the males patrol widely in search of females. Once a male butterfly locates a female, they engage in an aerial pursuit, and if the female is receptive, she will allow the male to catch up. The female painted lady butterfly lays her eggs on a host plant, usually on the underside of the leaves to protect them from predators and extreme weather. The eggs are small, greenish, and barrel-shaped.
Mallows, which are members of the Malvaceae family, are particularly favoured by painted ladies. Mallows are characterised by their showy, cup-shaped flowers and soft, lobed leaves. Other plants in the Malvaceae family that are popular among painted ladies may include hollyhock, sunflower, and knapweed.
In addition to the Malvaceae family, painted lady butterflies also favour host plants belonging to the Asteraceae and Fabaceae families. Plants in the Asteraceae family, such as thistles, provide ample nutrition for painted lady caterpillars, making them an ideal choice. Legumes in the Fabaceae family, such as alfalfa and clover, are also preferred by painted ladies due to their nitrogen-fixing abilities and compound leaves with small, clustered flowers.
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Hollyhock, mallow, and aster are preferred
The Painted Lady butterfly has a life cycle that spans four main stages, the first of which is the egg stage. The female Painted Lady butterfly lays her eggs singly on the tops of host plant leaves, usually on the underside to protect them from predators and harsh weather.
Painted Lady caterpillars favour a range of host plants, including thistles, knapweeds, sunflowers, and sages, in addition to hollyhock, mallow, and aster. They feed voraciously on the leaves of these plants, growing rapidly and shedding their skin several times as they outgrow it. The selection of host plants for egg-laying is crucial as it provides the necessary nutrients for the caterpillars' growth and metamorphosis into adult butterflies.
Adult Painted Lady butterflies primarily feed on nectar from a variety of flowering plants, particularly those in the Asteraceae family that are 3-6 feet high. They are attracted to flowers such as butterfly bush (Buddleia), heliotrope, anise hyssop, marigolds, scabiosa, sedums, sweet William, and Verbena bonariensis. By sipping nectar, Painted Ladies serve as important pollinators for their food plants.
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Over 100 plant species are host plants
The Painted Lady butterfly is a true cosmopolitan, with a mosaic of orange, black, and white on its wings. It is a generalist feeder, visiting over 100 plant species, and is an important pollinator. The females lay their pinhead-sized eggs singly on the tops of host plant leaves, usually on the underside to protect them from predators and extreme weather.
The plants belonging to the Asteraceae family, such as thistles, are a common choice for egg-laying. Thistles are characterised by their prickly stems and purple flower heads. These plants provide ample nutrition for Painted Lady caterpillars, making them an ideal host. The females are also drawn to plants with lush foliage, such as mallows, which support healthy caterpillar development.
Various legume species, belonging to the Fabaceae family, are also favoured host plants. These include alfalfa and clover, which are characterised by their nitrogen-fixing abilities and compound leaves with small, clustered flowers. Other favoured host plants include knapweeds, sunflowers, sages, asters, cosmos, blazing star, Joe-pye weed, red clover, and milkweeds.
Adult Painted Ladies primarily feed on nectar from a variety of flowering plants, particularly those in the Asteraceae family that are 3-6 feet high. They are attracted to flowers like butterfly bush, heliotrope, anise hyssop, marigolds, scabiosa, sedums, sweet William, and Verbena bonariensis. They also gather in groups to feed on mineral-rich mud puddles or damp soil, a behaviour called "puddling".
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Frequently asked questions
Painted lady butterflies lay their eggs on host plants that their caterpillars can feed on. They favour plants in the Asteraceae family, such as thistles, mallows, hollyhocks, asters, and various legumes.
Plants in the Asteraceae family include thistles, calendula, and sunflowers. These plants are characterised by their tall height (3-6 feet) and vibrant flowers.
The selection of host plants for egg-laying is crucial as it provides the necessary nutrients for caterpillars to grow and metamorphose into adult butterflies. These plants also provide shelter for caterpillars, who build their silk nests on the host plants.
In addition to the availability of host plants, painted lady butterflies are attracted to areas that provide shallow water, draining wet sand, and are kept pesticide-free. They also feed on nectar from flowers such as butterfly bush, heliotrope, anise hyssop, and marigolds.
