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Scalloped hazel

Scalloped hazel

Odontopera bidentata

A species of Odontopera

This species is a master of camouflage, with its ability to blend seamlessly into the bark of deciduous trees during its larval stage. As an adult, it showcases a stark contrast with vivid hues that vary seasonally. This adaptive coloration provides it with a significant advantage against predatorial visual perception. Primarily nocturnal, it feeds on a diet rich in the foliage of various woody plants, which it indulges in under the veil of darkness.

General Info About Scalloped hazel
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Attributes of Scalloped hazel
Colors
Brown
Black
Yellow
White
Habitat
Habitats include deciduous and mixed woodland, bog forests and parklands.
Adult Food Sources
Flower nectar, honeydew, flower sap
Larva Food Source
Leaves of deciduous trees, birch, alder, willow, oak
Non-poisonous
The Scalloped hazel is non-toxic and generally doesn't pose a risk to human health. No need for excessive worry.
Borer
Not reported
Pollinator
Not reported
Pest-Eating Predatory
Not reported
Phytophagous
The Scalloped hazel 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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Distribution Area of Scalloped hazel
It is a common species of northern and central Europe including the British Isles and Russia to the Urals. It is also widespread through Siberia and the Amur-Ussuri region to the Kuril Islands and Japan.
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Life Cycle of Scalloped hazel
Egg The egg stage begins with the deposition of eggs by adult scalloped hazel on host plants. The eggs are small, round, and oviposited in clusters, soon to hatch into larvae with each molting phase preparing for greater growth and structural complexity.
Larva The larval stage of scalloped hazel is caterpillar-like, marked by incremental growth through molting. The color and pattern are adapted for camouflage, critical for avoiding predators while they feed voraciously on host plants in preparation for pupation.
Pupal Transition occurs in the pupal stage where scalloped hazel encases itself within a chrysalis attached to foliage. It's a non-feeding, restful phase with intense internal reorganization—body tissues break down and re-form into adult features.
Adult Emerging from the pupa, the adult scalloped hazel’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 and the dispersal of the species.
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Predators of Scalloped hazel Larvae
Frogs, toads, birds, rodents, insectivorous mammals, other insects like predatory beetles
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Predators of Adult Scalloped hazel
Bats, birds, spiders, mantises, rodents
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Scientific Classification of Scalloped hazel
Tips for Finding Scalloped hazel
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Youth Habitat of Scalloped hazel
Forests and Woodlands, Urban and Suburban Areas
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Adult Habitat of Scalloped hazel
Forests and Woodlands, Urban and Suburban Areas, Agricultural and Cultivated Areas
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How Can You Attract Scalloped hazel
Scalloped hazel larvae may be attracted to specific plants that they feed on, whereas adults can often be lured using light traps due to their nocturnal nature.
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Habitat Preferences of Scalloped hazel Through Different Life Stages
Egg stages of scalloped hazel can be typically found attached to the underside of leaves preferred by the female for oviposition, often in temperate deciduous forests. The larvae, or caterpillars, inhabit host plants, where they feed and grow, often blending in with twigs or stems due to their cryptic appearance. When searching for pupae, look under loose bark of trees, in leaf litter, or in other sheltered areas near the host plants, as they often pupate in concealed locations to avoid predation. The adult moths are usually found in areas with vegetation they used as larvae, typically near woodland edges, hedgerows, and garden spaces during their flight period. To find the different growth stages, examining the host plants and surrounding natural features will yield the best chances of observation.
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How and Where Can You Find Scalloped hazel at Different Life Stages
Egg Scalloped hazel eggs are usually laid on the underside of leaves of the host plants. To locate them, inspect the leaves of known host plants closely, using a magnifying glass if necessary.
Larva Scalloped hazel caterpillars can be green or brown, which helps them blend into their surroundings. Look for them on the host plants they are known to feed on, checking both sides of leaves and along the stems.
Pupal Scalloped hazel pupate in spun leaves or on the ground in leaf litter. Search for scalloped hazel pupae by carefully examining the base of host plants, looking within accumulated leaf litter, or checking the underside of leaves for pupae cases.
Adult Scalloped hazel adults are attracted to light and can be found near light sources at night. Set up a light trap with a white sheet to observe and identify adult scalloped hazel as they come to rest.
Are Scalloped hazel harmful?
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Harmful Effects of Scalloped hazel
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Hurt Plant

The larval stage of scalloped hazel can cause a range of harm from mild to severe. These caterpillars chew plant tissues, leading to defoliation which may reduce photosynthesis, weaken the plant, and, in severe cases, result in plant death.

More Effects of Scalloped hazel

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