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Mournful duskywing

Mournful duskywing

Erynnis tristis

A species of Duskywings, Also known as 'dark-fringed' mournful duskywing

Erynnis tristis is a butterfly from the family of the fat-headed (Hesperiidae). The scientific name of the species was first validly published in 1852 by Boisduval.

General Info About Mournful duskywing
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Attributes of Mournful duskywing
Colors
Brown
Black
White
Habitat
oak woodland
Adult Food Sources
Nectar from thistles (cirsium species), nectar from milkweeds (asclepias species), nectar from red clover (trifolium pratense), nectar from mustards (brassicaceae family), nectar from dandelions (taraxacum officinale)
Venomous
Not reported
Non-poisonous
The Mournful duskywing is non-toxic and generally doesn't pose a risk to human health. No need for excessive worry.
Borer
Not reported
Pollinator
The Mournful duskywing 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 Mournful duskywing 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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Species Status of Mournful duskywing
It is found in Central America, North America, and South America.
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Distribution Area of Mournful duskywing
Central America, North America, South America
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Life Cycle of Mournful duskywing
Egg After oviposition, the embryonic mournful duskywing develops within a protective casing. The eggs are often spherical or ovate and may vary in color, typically laid on host plants.
Larva Upon hatching, the larval mournful duskywing appears worm-like with a segmented body. It primarily focuses on feeding and growth, shedding its skin several times while increasing in size.
Pupal The larva transitions into a dormant pupa, encased within a chrysalis where it undergoes a profound transformation, reorganizing its structure into the adult form.
Adult Emerging from the pupa, the adult mournful duskywing displays wings and reproductive capabilities. Its body is differentiated into head, thorax, and abdomen, ready for dispersal and mating.
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Predators of Adult Mournful duskywing
Birds, bats, spiders, rodents, mantises
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Interesting Facts About Mournful duskywing
At rest, mournful duskywing uniquely perches with wings open, a trait contrasting with close relatives who prefer wings closed or only slightly opened.
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Scientific Classification of Mournful duskywing
Tips for Finding Mournful duskywing
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Youth Habitat of Mournful duskywing
Forests and Woodlands, Grasslands and Prairies
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Adult Habitat of Mournful duskywing
Forests and Woodlands, Grasslands and Prairies, Urban and Suburban Areas, Agricultural and Cultivated Areas
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How Can You Attract Mournful duskywing
To attract mournful duskywing, one may use bait traps containing fermented fruit or sugary substances that mimic nectar, as adults are typically attracted to these food sources.
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What is the Best Weather to Observe Mournful duskywing
Mournful duskywing is more likely to be active and visible in favorable weather conditions, which typically include warm, sunny, and dry days. Adverse conditions like rain, high winds, or cold temperatures may cause mournful duskywing to hide or become inactive.
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How and Where Can You Find Mournful duskywing at Different Life Stages
Egg Mournful duskywing eggs are usually laid on the host plant. To find mournful duskywing eggs, identify the host plant species and inspect the undersides of leaves and stems for small, round, or oval eggs that may be camouflaged against the plant material.
Larva Mournful duskywing larvae, or caterpillars, are often found on or near their host plants where they feed. Look for mournful duskywing larvae by searching the leaves of the host plant for signs of feeding, such as chewed edges or frass (caterpillar droppings).
Pupal Mournful duskywing pupae may be attached to the host plant or hidden in leaf litter or soil near the plant. To locate mournful duskywing pupae, check the ground around the host plants and examine the stems and leaves for attached pupae which can take on various shapes and camouflage techniques.
Adult Adult mournful duskywing can be located by observing flowering plants that they may visit for nectar. Walk through areas with these plants on warm, sunny days and look for mournful duskywing resting on leaves or flying from flower to flower. Nectar feeders or butterfly gardens may also attract adult mournful duskywing.
Are Mournful duskywing harmful?
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Harmful Effects of Mournful duskywing
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Hurt Plant

When mournful duskywing larvae feed on Fabaceae plant leaves, they chew plant tissues, resulting in defoliation. The damage includes irregular holes and loss of leaf area, which can impair photosynthesis and reduce the plant's overall health and productivity.

More Effects of Mournful duskywing

Beneficial Effects of Mournful duskywing
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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
Attract Plant Feature
Color, Shape
Mournful duskywing flutter amongst the flowers, seeking nectar. Their attraction lies in the bright colors and appealing shapes of the blossoms. As they feed, pollen inadvertently adheres to their bodies, which they then transfer from bloom to bloom, aiding in plant reproduction.
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