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Pacific fritillary

Pacific fritillary

Boloria epithore

A species of Lesser fritillaries, Also known as Chermock's meadow fritillary

Boloria epithore, the Pacific fritillary, is a butterfly of the family Nymphalidae. It is found in western North America from California to British Columbia and Alberta. The wingspan is 34–44 millimetres (1.3–1.7 in). The butterfly flies from June to July. The larvae feed on Viola ocellata.

General Info About Pacific fritillary
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Attributes of Pacific fritillary
Colors
Black
Orange
Habitat
moist forest; wet meadow; stream side; moist conifer forest; wet meadow; open slope; hilltop; stream side; logging roads; rural garden
Adult Food Sources
Thistle nectar, aster nectar, buddleia nectar, lavender nectar, milkweed nectar
Larva Food Source
Violets (viola species), willow (salix species), aspen (populus species), birch (betula species), stonecrop (sedum species)
Non-poisonous
The Pacific fritillary is non-toxic and generally doesn't pose a risk to human health. No need for excessive worry.
Borer
Not reported
Pollinator
Not reported
Pest-Eating Predatory
Not reported
Phytophagous
The Pacific fritillary feeds on plants, usually without causing significant harm. However, it's important to take the situation seriously if their numbers begin to increase significantly.
Predatory
Not reported
Biting animal or pet
Not reported
Mouthparts Type
Siphoning mouthparts
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Life Cycle of Pacific fritillary
Egg The egg of pacific fritillary, typically laid on the host plant, is small and ovular. It has a hardened protective coating that varies in color and may possess subtle surface patterns.
Larva Upon hatching, the pacific fritillary larva, or caterpillar, exhibits an elongated, cylindrical shape with distinct, usually colorful bands or patches. It's voracious, feeding on host plants, and grows rapidly, molting multiple times.
Pupal The pacific fritillary enters the pupal stage inside a chrysalis, where dramatic transformation occurs. This immobile stage involves reorganization of tissues and is typically marked by a camouflaged appearance.
Adult Emerging from the pupa, the adult pacific fritillary displays wings with unique, often vibrant patterns. The body is fully developed and sclerotized, and the individual is capable of flight, seeking mates and nectar.
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Predators of Pacific fritillary Larvae
Birds, rodents, wasps, spiders, ants
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Predators of Adult Pacific fritillary
Birds, rodents, spiders, praying mantises, lizards
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Interesting Facts About Pacific fritillary
When threatened, pacific fritillary can emit a foul-smelling chemical from glands near its wings to ward off predators.
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Scientific Classification of Pacific fritillary
Tips for Finding Pacific fritillary
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How Can You Attract Pacific fritillary
Entomologists may use sweet substances like rotten fruit or fermented bait to attract adult pacific fritillary, as they are known to feed on nectar as well as rotting substances.
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Habitat Preferences of Pacific fritillary Through Different Life Stages
To locate the different stages of pacific fritillary, start in alpine meadows, as the eggs are typically laid on the leaves of host plants there. For the caterpillar stage, search at the base of plants or in low-lying foliage where they feed and grow, often concealed to avoid predators. The chrysalis may be found hidden in dense vegetation or under rocks in similar meadows, requiring careful observation. Finally, the adult pacific fritillary butterflies can be seen flitting about these meadows, especially on sunny days when they actively forage for nectar.
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When is the Best Time to Observe Pacific fritillary
The best time to find pacific fritillary is usually during warm, sunny days when butterflies are most active, typically late morning to mid-afternoon.
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What is the Best Weather to Observe Pacific fritillary
Sunny and calm weather is ideal for locating pacific fritillary, as they are less active during cold, windy, or rainy conditions.
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How and Where Can You Find Pacific fritillary at Different Life Stages
Egg Pacific fritillary eggs are often laid on the underside of host plant leaves. To find them, inspect the specific plants that the caterpillars feed on.
Larva Pacific fritillary caterpillars can be found on or near their host plants. Look for signs of feeding, such as chewed leaves, and search the plant thoroughly.
Pupal Pacific fritillary pupae may be attached to plant stems or leaves, or they may be hidden in leaf litter or soil near the host plants. Searching around the base of host plants can lead to discoveries.
Adult Adult pacific fritillary can be found in habitats such as meadows, fields, and forest edges where they feed on the nectar of flowers. Observing flowering plants, especially those in sunny areas, is an effective way to spot adult pacific fritillary.
Are Pacific fritillary harmful?
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Are Pacific fritillary harmful to humans?

Some larvae of tortoiseshell butterflies feed on milkweed, which is a poisonous plant containing cardiac glycosides, so the larvae are poisonous. Although poisonous, these butterflies will not directly affect humans if not swallowed. Touching the larvae of certain tortoiseshell butterflies may cause a rash.
Beneficial Effects of Pacific fritillary
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Pollinator
Pollinator
Pollination Behavior Reason
Eat Pollen Or Nectar
Pacific fritillary is attracted to the vivid colors of flowers, often landing on them while searching for nectar. During this process, pacific fritillary accidentally picks up and deposits pollen, aiding in plant fertilization. Despite not consuming pollen, their role in pollination is vital for the ecosystem.
Common Questions People Also Ask
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