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Wavy chestnut y moth

Wavy chestnut y moth

Autographa mappa

A species of Autographa

Autographa mappa, the wavy chestnut Y, is a moth of the family Noctuidae. The species was first described by Augustus Radcliffe Grote and Coleman Townsend Robinson in 1868. It is found in North America from Newfoundland west across the wooded portions of Canada to Vancouver Island, south in the east to Maine, New Hampshire and Wisconsin, and in the western mountains south to Colorado and Oregon. The wingspan is 35–40 mm. Adults are on wing from June to August depending on the location. There is one generation per year. The larvae feed on Urtica and Vaccinium species.

General Info About Wavy chestnut y moth
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Attributes of Wavy chestnut y moth
Colors
Brown
Black
Yellow
Gray
White
Habitat
open woodland; clearing and edge; bog; fen; come to light
Adult Food Sources
Flower nectar, honeydew, tree sap, rotting fruits, pollen
Larva Food Source
Leaves of low vegetation, asteraceae family plants, herbaceous garden plants, wildflowers, shrubs
Biting/stinging
Not reported
Allergy-causing
Not reported
Defensive attack
Not reported
Venomous
Not reported
Non-poisonous
Not reported
Borer
Not reported
Pollinator
Not reported
Mouthparts Type
Siphoning mouthparts
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Species Status of Wavy chestnut y moth
Widely distributed
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Distribution Area of Wavy chestnut y moth
North America
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Life Cycle of Wavy chestnut y moth
Egg The egg stage is where the lifecycle of wavy chestnut y moth begins. Tiny and oval, the eggs are laid in clusters and their color can range from white to pale green. They serve solely as a developmental stage with no locomotion or feeding.
Larva During this stage, wavy chestnut y moth larvae, commonly known as caterpillars, emerge from the eggs. They have a segmented body with a distinct head, several pairs of legs, and a voracious appetite for foliage, causing substantial growth in size.
Pupal In the pupal stage, wavy chestnut y moth undergoes transformation within a protective cocoon. Physically inactive, the pupa's appearance changes dramatically as tissues break down and reorganize. It's intermediate, neither feeding nor mobile.
Adult Emerging from the pupa, the adult wavy chestnut y 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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Predators of Wavy chestnut y moth Larvae
Insectivorous birds, arachnids, small mammals, rodents
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Predators of Adult Wavy chestnut y moth
Bats, birds, rodents, spiders
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Scientific Classification of Wavy chestnut y moth
Tips for Finding Wavy chestnut y moth
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Youth Habitat of Wavy chestnut y moth
Forests and Woodlands, Grasslands and Prairies
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Adult Habitat of Wavy chestnut y moth
Forests and Woodlands, Grasslands and Prairies, Urban and Suburban Areas, Agricultural and Cultivated Areas
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How Can You Attract Wavy chestnut y moth
The adult wavy chestnut y moth can be attracted to various baits such as fermented fruit, beer mixes, or sugary solutions applied on tree trunks or bait stations. Caterpillars of wavy chestnut y moth would be attracted to their host plants and can be found feeding on them.
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Habitat Preferences of Wavy chestnut y moth Through Different Life Stages
The eggs of wavy chestnut y moth are typically found on the underside of leaves of the host plant where they are laid in clusters. As caterpillars, they inhabit the foliage of the host plants, feeding and growing before pupation. For pupation, they often descend to the ground and create a cocoon in leaf litter or soil, preferring concealed, protected areas. Adults, being nocturnal, are usually located near nectar-rich flowers or under outdoor lights at night. To locate these stages, one would inspect the appropriate foliage for eggs or caterpillars, sift through leaf litter or soil for pupae, and search around light sources or flowers after dusk for adults.
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When is the Best Time to Observe Wavy chestnut y moth
The best time to find the adult wavy chestnut y moth would be at night since they are nocturnal and are typically attracted to light sources. Finding the caterpillar stage of wavy chestnut y moth is best done during the daytime when they are actively feeding on host plants.
Are Wavy chestnut y moth harmful?
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Harmful Effects of Wavy chestnut y moth
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Hurt Plant

When wavy chestnut y moth feeds on its host plants, it primarily targets the leaves, chewing through plant tissues. This feeding pattern can result in noticeable foliage damage, including holes in leaves and potentially reduced photosynthetic capability. The presence of wavy chestnut y moth might not cause different reactions among various host plants, but the consequences can disrupt normal plant growth and development.

More Effects of Wavy chestnut y moth

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