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Water ermine

Water ermine

Spilosoma urticae

A species of Spilosoma

Adorned in a striking coat of prominent white and black dots, water ermine is a notable figure against the vibrant hues of its habitat. During its larval stage, this species enlists a diverse assortment of host plants, including nettles, to nourish its voracious appetite. As it transitions into adulthood, it displays a marked dietary shift, favoring nectar-rich flowers, which it visits under the cloak of night. The adaptability of its feeding preferences across life stages showcases a remarkable evolutionary strategy, ensuring its continued proliferation in varying environmental conditions.

General Info About Water ermine
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Attributes of Water ermine
Colors
Black
Yellow
White
Habitat
Wetland; fens; wet meadow; humid woodland margin
Larva Food Source
Leaves of nettles, dock, hops, plantains, dandelion
Biting/stinging
Not reported
Allergy-causing
Not reported
Defensive attack
Not reported
Venomous
Not reported
Non-poisonous
Not reported
Borer
Not reported
Pollinator
Not reported
Pest-Eating Predatory
Not reported
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Species Status of Water ermine
Scarce
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Predators of Water ermine Larvae
Birds, rodents, lizards, other insect larvae
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Predators of Adult Water ermine
Bats, birds, rodents, spiders
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Interesting Facts About Water ermine
Water ermine's larvae possess a remarkable defense mechanism; they can eject formic acid from their bristles when threatened.
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Scientific Classification of Water ermine
Tips for Finding Water ermine
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Youth Habitat of Water ermine
Forests and Woodlands, Grasslands and Prairies, Urban and Suburban Areas, Agricultural and Cultivated Areas
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When is the Best Time to Observe Water ermine
The best time to find adult water ermine would be at night when they are active and attracted to light sources. For the larval stage, daytime searching is more appropriate when they are actively feeding on host plants.
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What is the Best Weather to Observe Water ermine
Mild, warm weather, especially after a rain, could be ideal for finding water ermine since many species in the Lepidoptera order, including water ermine, prefer such conditions for activity.
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How and Where Can You Find Water ermine at Different Life Stages
Egg Eggs of water ermine are typically laid on the underside of leaves of the host plant. To find them, inspect these areas carefully, using a magnifying glass for a better view.
Larva Larvae of water ermine can often be found on or near their food plants. Look for signs of feeding, such as chewed leaves, and search both sides of leaves and along stems for the caterpillars.
Pupal Water ermine in the pupal stage might be found in areas around the food plant or in the litter of the host plant, sometimes even underground. To find them, gently search through leaf litter or soil close to the host plants.
Adult Adult water ermine are attracted to light, so setting up a light trap at night can be effective. Also, they might visit flowers for nectar during dawn and dusk, so observing flowering plants during these times might yield sightings.
Are Water ermine harmful?
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Harmful Effects of Water ermine
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Hurt Plant

Water ermine, a Lepidoptera insect, wreaks havoc on Urtica dioica and Rumex spp. by chewing. The insect's feeding habits result in the defoliation of the leaves and the destruction of stem tissues, leading to weakened plant structure, hindered growth, and potentially diminished plant viability.

More Effects of Water ermine

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