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Mountainous duskywing

Mountainous duskywing

Erynnis montanus

A species of Duskywings

Erynnis montana is a Palearctic butterfly in the family Hesperiidae (Pyrginae). It is found in China, Amur, Taiwan and Japan. The larva feeds on Quercus mongolica.

General Info About Mountainous duskywing
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Attributes of Mountainous duskywing
Habitat
Temperate broadleaf; mixed forest
Adult Food Sources
Asteraceae family flowers, fabaceae family flowers, lamiaceae family flowers, apiaceae family flowers, various flowering plants
Larva Food Source
Leguminosae family plants, fabaceae family plants, pea family plants, lupines, dalea species
Biting/stinging
Not reported
Allergy-causing
Not reported
Defensive attack
Not reported
Venomous
Not reported
Non-poisonous
The Mountainous duskywing is non-toxic and generally doesn't pose a risk to human health. No need for excessive worry.
Borer
Not reported
Pollinator
The Mountainous 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 Mountainous 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
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Distribution Area of Mountainous duskywing
China, Amur, Japan
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Life Cycle of Mountainous duskywing
Egg The egg phase begins after an adult mountainous duskywing lays fertilized eggs. The eggs are often tiny, round or oval, and may vary in color. This initial stage is mainly characterized by growth within the protective egg casing, where the future larvae develop until they are ready to hatch.
Larva Upon hatching, the larva of mountainous duskywing emerges. This stage is characterized by significant growth. The larva has a worm-like appearance, with a segmented body and a distinct head capsule. It often has a voracious appetite, eating leaves or other plant materials, and molts multiple times as it grows.
Pupal After several larval molts, mountainous duskywing enters the pupal stage. In this restful phase, it develops within a chrysalis or cocoon. The pupa is typically immobile and may exhibit different colors or patterns for camouflage. Inside, the larval body transforms dramatically as adult structures form.
Adult Emerging from the pupa, the adult mountainous duskywing’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. Adult mountainous duskywing often display strikingly different colors and patterns than earlier stages.
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Interesting Facts About Mountainous duskywing
Mountainous duskywing possesses the ability to create a specialized cocoon that blends remarkably well with its surroundings, providing effective camouflage against predators.
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Scientific Classification of Mountainous duskywing
Tips for Finding Mountainous duskywing
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Youth Habitat of Mountainous duskywing
Mountains and Alpine Regions, Forests and Woodlands
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Adult Habitat of Mountainous duskywing
Mountains and Alpine Regions, Forests and Woodlands
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When is the Best Time to Observe Mountainous duskywing
The best time to find mountainous duskywing is during the day, as they are diurnal and most active when the sun is shining, though the exact time can vary depending on the life stage.
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What is the Best Weather to Observe Mountainous duskywing
Warm, sunny, and calm weather conditions are ideal for finding mountainous duskywing, as these conditions promote active flying and feeding behavior in adults.
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How and Where Can You Find Mountainous duskywing at Different Life Stages
Egg Mountainous duskywing eggs are typically laid on or near the host plants. Look for tiny, round or oval-shaped eggs on the undersides of leaves of the caterpillar's host plant.
Larva Caterpillars of mountainous duskywing can be found on host plants they feed upon. Search the foliage of these plants for signs of feeding, such as holes in the leaves or frass (caterpillar droppings), and inspect both sides of the leaves for hidden caterpillars.
Pupal The pupae of mountainous duskywing might be attached to plants or other structures near the host plants. They can be camouflaged, so carefully examine the stems, leaves, and even the ground for these stationary life stages.
Adult Mountainous duskywing adults are butterflies that can be spotted visiting flowers for nectar or basking on sunlit leaves or ground. Look for them in open areas within their habitat range where flowers are abundant.
Are Mountainous duskywing harmful?
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Beneficial Effects of Mountainous 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
Pollination Behavior Reason
Eat Pollen Or Nectar
Mountainous duskywing flits from flower to flower, sipping nectar while inadvertently dusting itself with pollen. As it moves among blooms, it transfers pollen, aiding in the fertilization and reproduction of many plants. Its preference for brightly colored and specially shaped flowers makes it an effective pollinator in diverse ecosystems.
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