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Pearly wood-nymph

Pearly wood-nymph

Eudryas unio

A species of Wood nymphs

The pearly wood-nymph (Eudryas unio) that earns its name with its pearly appearance. The moth mimicking white bird droppings to prevent predators. And they have hungry kids known to feed on everything from primrose to grape, but their appetite appears to go away during adulthood.

General Info About Pearly wood-nymph
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Attributes of Pearly wood-nymph
Colors
Brown
Black
White
Habitat
near marshy area where both Epilobium and cattail (Typha) grow
Adult Food Sources
Floral nectar from various flowering plants, honeydew, decaying fruits, sap flows, and bird droppings
Larva Food Source
Grape leaves, virginia creeper leaves, ampelopsis spp. leaves, parthenocissus spp. leaves, and other vining plants in family vitaceae
Biting/stinging
Not reported
Allergy-causing
Not reported
Pollinator
The Pearly wood-nymph is often found near the corolla, where its fluffy hairs easily pick up pollen, assisting in the pollination of the plant.
Pest-Eating Predatory
Not reported
Phytophagous
The Pearly wood-nymph 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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Appearance of Pearly wood-nymph
The wingspan is 2.5 - 3.5 cm.
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How to Identify Pearly wood-nymph?

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Life Cycle of Pearly wood-nymph
Egg The egg is the earliest stage. The pearly wood-nymph lays eggs that are tiny and oval. Color varies, often camouflaged. Immature and static, the eggs contain the embryonic pearly wood-nymph, developing before hatching.
Larva Emerging from the egg, the larva is worm-like, lacking wings. Often brighter and with distinct patterns for defense or mimicry, it continually eats, molting several times as it grows in size.
Pupal After the final larval molt, the larva becomes a pupa. Encased in a cocoon, the pearly wood-nymph undergoes drastic transformation; color dulls for camouflage. It's stationary, reorganizing internally for the adult stage.
Adult Emerging from the pupa, the adult pearly wood-nymph's development is marked by the presence of wings and functional reproductive organs. The body is fully formed and hardened, and the adult is mobile, focusing on reproduction.
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Adult Size of Pearly wood-nymph
2.5 - 3.5 cm
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Predators of Pearly wood-nymph Larvae
Birds, rodents, reptiles, other insect larvae, arachnids
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Predators of Adult Pearly wood-nymph
Bats, birds, spiders, predatory insects
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Interesting Facts About Pearly wood-nymph
Pearly wood-nymph can play dead as a defense mechanism, fooling predators by suddenly dropping and remaining motionless when threatened.
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Scientific Classification of Pearly wood-nymph
Tips for Finding Pearly wood-nymph
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Youth Habitat of Pearly wood-nymph
Forests and Woodlands, Grasslands and Prairies, Urban and Suburban Areas, Agricultural and Cultivated Areas
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Habitat Preferences of Pearly wood-nymph Through Different Life Stages
Pearly wood-nymph larvae are commonly found on the underside of grape, Virginia creeper, and ampelopsis leaves, feeding and hidden from predators. The adults, active at night, prefer well-lit areas near their larval food sources, such as gardens or vineyards with ample foliage for egg-laying. Searching for larvae would entail examining leaf undersides in these areas, while finding adults would likely require nighttime observation or light trapping in or around these vegetated locales.
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When is the Best Time to Observe Pearly wood-nymph
The suitable time for finding pearly wood-nymph largely depends on the stage of its life cycle but is generally best done at night due to their nocturnal nature when seeking adults and during the day for caterpillars.
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What is the Best Weather to Observe Pearly wood-nymph
Weather conditions that are generally favorable for finding pearly wood-nymph include warm, humid nights without wind or heavy rain which can facilitate the activity of adults, and overcast but dry days for finding larvae on host plants.
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How and Where Can You Find Pearly wood-nymph at Different Life Stages
Egg Pearly wood-nymph eggs are typically laid on the underside of leaves of host plants. To find them, inspect these areas closely using a magnifying glass, taking care not to harm the plant or eggs.
Larva Pearly wood-nymph larvae can be found on or near their host plants. Look for chewed leaves as an indicator and gently inspect the plant, especially during early morning or late afternoon.
Pupal Pearly wood-nymph pupae may be located in the soil or in leaf litter near the host plant. They can be found by sifting through the top layers of soil or debris, taking care to replace anything disturbed.
Adult Adult pearly wood-nymph are nocturnal and attracted to light. Setting up a light trap with a white sheet before dusk will draw them in over the course of the night, making them easier to observe or collect.
Are Pearly wood-nymph harmful?
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Harmful Effects of Pearly wood-nymph
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Hurt Plant

Larvae of pearly wood-nymph exhibit a generalist feeding behavior with no specific host plant preference, causing a range from mild to severe defoliation. Their chewing of plant leaves can lead to reduced photosynthesis, stunted growth, and in severe cases, plant death.

More Effects of Pearly wood-nymph

Beneficial Effects of Pearly wood-nymph
Discover the hidden benefits of insects
Explore how insects help as pollinators, pest predators, and biocontrol agents. From seed dispersal to decomposition, they play vital roles in our ecosystem.
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Pollinator
Pollinator
Pollination Behavior Reason
Eat Pollen Or Nectar
Pearly wood-nymph is a unique pollinator with a nocturnal characteristic. It is drawn to flowers by their vivid colors and enticing scents, primarily to consume pollen. This consumption inadvertently results in pollination, as pearly wood-nymph transfers pollen from one bloom to another during its feeding activity.
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