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Map-winged swift

Map-winged swift

Hepialus fusconebulosa

A species of Ghost moth

The map-winged swift (Pharmacis fusconebulosa) is a moth belonging to the family Hepialidae. The species was first described by Charles De Geer in 1778. It has a patchy distribution throughout Eurasia. It was previously placed in the genus Hepialus and some references still place it there. This moth gets its common name from the variegated pattern of the forewing, in various shades of black, brown and white, which look rather like a map (although there are plainer forms). Unlike most hepialids, the pattern is rather similar in both sexes although the female is usually rather larger with a wingspan of up to 50 mm. The adult flies from May to July (August in the north of the range) and is attracted to light, sometimes strongly so. This species overwinters twice as a larva. This moth is strongly associated with bracken (Pteridium spp.) and it is most frequently encountered in habitats where this plant occurs (e.g. moorland, heathland, open woodland). However the larva, which is a root-feeder, has been recorded on other ferns such as Polystichum, grasses such as red fescue and also on potatoes and probably will feed on a wide range of other plants. ^ The flight season refers to the British Isles. This may vary in other parts of the range.

General Info About Map-winged swift
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Attributes of Map-winged swift
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
Phytophagous
Not reported
Predatory
Not reported
Biting animal or pet
Not reported
Mouthparts Type
Vestigial
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Life Cycle of Map-winged swift
Egg The deposited eggs are typically round and small, with a shell that protects the embryo. At this stage, they are immobile and often vary in color depending on the species, ranging from white to off-white.
Larva Upon hatching, the larva (or caterpillar) emerges, characterized by a tubular body and a voracious appetite for host plants. Its color and pattern help in camouflaging. Growth involves molting and increasing in size.
Pupal Transition occurs in a pupa, with metamorphic changes inside a cocoon or chrysalis. The pupa is generally immobile and may exhibit cryptic coloration for protection against predators.
Adult Emerging from the pupa, the adult map-winged swift’s development is marked by the presence of wings and functional reproductive organs. The body is fully formed and hardened, the adult is mobile, focusing on reproduction.
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Predators of Map-winged swift Larvae
Birds, rodents, invertebrate predators (such as beetles and ants)
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Predators of Adult Map-winged swift
Bats, birds, rodentia
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Interesting Facts About Map-winged swift
Despite its delicate appearance, map-winged swift employs a unique 'drilling' behavior, using its proboscis to bore into fruits and extract nutrients.
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Scientific Classification of Map-winged swift
Tips for Finding Map-winged swift
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How Can You Attract Map-winged swift
Since adult map-winged swift feed little if at all, traditional bait traps using sweet, fermenting substances are generally ineffective. Instead, light traps or pheromone traps are typically used to attract them.
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Habitat Preferences of Map-winged swift Through Different Life Stages
The larval stage of map-winged swift can be found underground feeding on plant roots, often near grasslands or wooded areas. For the pupal phase, searching slightly deeper in the soil, usually in a cocoon woven between plant debris, is effective. Adults of map-winged swift commonly emerge and are spotted near or above these areas, typically flying at dusk around vegetation and flowers for nectar. To find the various stages, one could search the soil for larvae and cocoons, and observe nearby flora during twilight for adults.
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When is the Best Time to Observe Map-winged swift
The best time to find adult map-winged swift is usually at night when they are most active, especially shortly after dusk. For larval stages, daytime searches in appropriate habitats may yield results.
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What is the Best Weather to Observe Map-winged swift
Calm, warm, and humid nights are ideal for locating adult map-winged swift as they are more active in such conditions. Overcast days without heavy winds might make larval and pupal forms more accessible during the day.
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How and Where Can You Find Map-winged swift at Different Life Stages
Egg Map-winged swift eggs might be found on the host plant leaves. Look for small, round, or oval-shaped eggs deposited on the undersides of leaves or in crevices of the plant stem.
Larva Map-winged swift larvae tend to feed on a wide range of host plants. Search for signs of feeding damage on leaves or stems to locate them.
Pupal Map-winged swift pupae are often concealed within the soil or leaf litter near the host plants. Carefully sift through the soil or leaf litter to uncover them.
Adult Adult map-winged swift are attracted to light, so using a light trap after dusk is an effective method to find them. They can also be found by waiting near potential host plants where females might lay eggs.
Are Map-winged swift harmful?
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Harmful Effects of Map-winged swift
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Hurt Plant

After map-winged swift infestation, maple trees show signs of distress primarily in the roots and stems due to the insect's feeding habits. The larvae chew through plant tissues, compromising the structural integrity of these essential organs. This can lead to stunted growth, reduced nutrient uptake, and overall weakness in the plant, making it more susceptible to secondary issues.

More Effects of Map-winged swift

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