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Sycamore moth

Sycamore moth

Acronicta aceris

A species of Dagger moths

The forewings of this species are pale to dark grey with rather indistinct markings apart from a thin black basal streak. The hindwings are white, sometimes with dark streaks at the margin. The wingspan is 4 - 4.5 cm .The extraordinary larva is very distinctive, thickly covered with very long yellow and orange hairs with white spots outlined in black along the back.

Toxic to Humans
Toxic to Humans
Does the Sycamore moth cause allergies?
Allergenic
General Info About Sycamore moth
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Attributes of Sycamore moth
Colors
Black
Gray
Habitat
forest; woody habitat; urban area; humid area
Adult Food Sources
Flower nectar of species such as thistle, buddleia, clover, ivy, lavender
Larva Food Source
Leaves of sycamore, maple, horse chestnut, birch, oak
Biting/stinging
Not reported
Allergy-causing
The Sycamore moth has special defensive behaviors that can trigger an allergic reaction. If there are serious reactions, seek IMMEDIATE medical attention.
Defensive attack
Not reported
Venomous
Not reported
Non-poisonous
The Sycamore moth is non-toxic and generally doesn't pose a risk to human health. No need for excessive worry.
Borer
Not reported
Pollinator
The Sycamore moth 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 Sycamore moth 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 Sycamore moth
It is distributed through most of Europe, from central England south to Morocco. To the east it is found from the Near East and Middle East to West Asia.
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Distribution Area of Sycamore moth
Most of Europe, from the Middle East to western Asia
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Life Cycle of Sycamore moth
Egg Upon hatching, the eggs of sycamore moth reveal tiny larvae. The eggshell color may vary, initially matching the external environment for camouflage, and they're positioned on the underside of leaves or hidden within plant tissues.
Larva Larvae of sycamore moth are characterized by a voracious appetite, dedicated overwhelmingly to feeding and growth. They display consecutive instars with noticeable size increases. The coloration at this stage provides excellent camouflage or, conversely, warning hues.
Pupal At the pupal stage, sycamore moth exhibits a cryptic appearance, often blending into the surrounding environment. This is a non-feeding, transformative period marked by appendages becoming immobile and encased within the chrysalis.
Adult Emerging from the pupa, the adult sycamore moth'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 Sycamore moth
3.5 - 4.5 cm
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Predators of Sycamore moth Larvae
Birds, small mammals, reptiles, arthropods
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Predators of Adult Sycamore moth
Bats, birds, spiders
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Interesting Facts About Sycamore moth
Sycamore moth caterpillars have bristles that can cause irritation, a defense mechanism not commonly associated with most of this family's species.
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Scientific Classification of Sycamore moth
Tips for Finding Sycamore moth
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Youth Habitat of Sycamore moth
Forests and Woodlands
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Adult Habitat of Sycamore moth
Forests and Woodlands
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How Can You Attract Sycamore moth
Adult sycamore moth can be lured using light traps due to their nocturnal nature and attraction to light sources.
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Habitat Preferences of Sycamore moth Through Different Life Stages
The eggs of sycamore moth are typically found on the undersides of leaves of host trees, often maples or oaks, where they offer camouflage and protection from predators. As they evolve into caterpillars, these larvae can be seen on the leaves, stems, and branches of these trees, voraciously consuming foliage. Searching for them involves examining the leaves for notches or signs of feeding. The mature caterpillars descend to the ground to pupate in loose soil litter. To locate the pupae, one would sift through leaf litter around the base of host trees. The adult moths are nocturnal and are attracted to light, so they are most commonly seen at night near sources of illumination where they mate and lay eggs, continuing the cycle.
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When is the Best Time to Observe Sycamore moth
The best time to look for sycamore moth depends on its life stage; adult sycamore moth are typically active at night, while larvae may be found during the day.
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What is the Best Weather to Observe Sycamore moth
Mild, warm, and humid nights are ideal for finding adult sycamore moth, as these conditions encourage their activity. Larvae may be easier to find after rain when they are more active.
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How and Where Can You Find Sycamore moth at Different Life Stages
Egg Eggs of sycamore moth are often laid on the underside of host plant leaves. Check the leaves of known host plants for small, round or oval eggs.
Larva Caterpillars of sycamore moth can be located on or near their host plants. Look for them by examining the leaves for signs of feeding, such as holes or frass (caterpillar droppings).
Pupal Pupae of sycamore moth may be found in loose soil, under leaves, or within plant debris. Gently sift through potential pupation sites while being careful not to disturb or harm the pupae.
Adult Adult sycamore moth are nocturnal and attracted to artificial light. Set up a light trap at night in known sycamore moth habitats for best results in attracting and observing these creatures.
Are Sycamore moth harmful?
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Harmful Effects of Sycamore moth
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Toxic to Humans
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Allergenic
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Toxic to Humans

The larvae of sycamore moth possess a defense mechanism of irritating hairs that can cause a mild toxic effect upon contact with human skin. The touch of these hairs can induce immediate skin irritation, redness, and itching. In rare cases, prolonged exposure may lead to dermatitis. No severe long-term complications have been observed.

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Does the Sycamore moth cause allergies?

Sycamore moth, primarily during its larval stage, has the potential to cause mild allergic reactions through contact with its hair. While it affects a small number of people, those with sensitivities can experience common symptoms such as itching or rashes. Risk varies among individuals, but the overall threat is low. Precautions should suffice for those concerned.

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Hurt Plant

When sycamore moth feeds on its host plants, such as sycamore and horse chestnut, it chews the plant tissues, particularly focusing on leaves. This feeding behavior results in defoliation and can cause significant damage, with visual manifestations including holes and ragged edges on the foliage. The loss of leaf tissue impedes photosynthesis, affecting the plant's overall health and vigor.

More Effects of Sycamore moth

Beneficial Effects of Sycamore moth
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Pollinator
Pollinator
Attract Plant Feature
Color, Smell
Pollination Behavior Reason
Eat Pollen Or Nectar, Accidental Contamination While Feeding On Nectar
Sycamore moth is attracted to flowers by their vivid colors and alluring scents. This moth plays a role in pollination by feeding on nectar and pollen, accidentally transferring pollen as it moves from bloom to bloom.
Common Questions People Also Ask
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