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American Dun-bar Moth

American Dun-bar Moth

Cosmia calami

A species of Cosmia

The American dun-bar moth (Cosmia calami) is a moth in the family Noctuidae. It is found in North America, including California, Georgia, Massachusetts, Minnesota, New Hampshire, New Jersey, Oregon, Pennsylvania, Tennessee, Washington and Wisconsin. The wingspan is about 32 mm. The forewings are pale yellow to light brown with small discal spots. The hindwings are white. Adults are on wing in midsummer. The larvae are carnivorous and feed on geometrid caterpillars that feed on Quercus species.

General Info About American Dun-bar Moth
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Attributes of American Dun-bar Moth
Colors
Brown
Black
Gray
White
Habitat
oak woodland; mixed hardwood forest
Adult Food Sources
Flower nectar, honeydew, sap flows, overripe fruit, sometimes not feeding at all
Larva Food Source
Leaves of broadleaved trees, willow, poplar, aspen, birch
Biting/stinging
Not reported
Allergy-causing
Not reported
Defensive attack
Not reported
Venomous
Not reported
Phytophagous
Not reported
Predatory
Not reported
Biting animal or pet
Not reported
Mouthparts Type
Siphoning mouthparts
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Species Status of American Dun-bar Moth
Not endangered
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Distribution Area of American Dun-bar Moth
North America
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Predators of Adult American Dun-bar Moth
Bats, birds, spiders, mantises, rodents
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Interesting Facts About American Dun-bar Moth
American Dun-bar Moth's larvae possess the unique ability to produce vocal sounds, a rare trait among Lepidoptera.
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Scientific Classification of American Dun-bar Moth
Tips for Finding American Dun-bar Moth
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Youth Habitat of American Dun-bar Moth
Forests and Woodlands
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Adult Habitat of American Dun-bar Moth
Forests and Woodlands
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When is the Best Time to Observe American Dun-bar Moth
For nocturnal adult american Dun-bar Moth: Best found at night when they are most active. For larvae and pupae: During daytime but more so during early mornings or late afternoons.
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What is the Best Weather to Observe American Dun-bar Moth
Mild to warm temperatures with low wind conditions are generally best for finding american Dun-bar Moth as extreme temperatures or heavy rain can reduce their activity or accessibility.
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How and Where Can You Find American Dun-bar Moth at Different Life Stages
Egg American Dun-bar Moth eggs are typically laid on the underside of host plant leaves. Look for them by carefully scanning the surface of leaves in areas where these plants are abundant.
Larva American Dun-bar Moth larvae can be found on or near their host plants, often feeding on the leaves. Search for signs of feeding damage on plants to locate them.
Pupal American Dun-bar Moth pupae may be buried in the soil or concealed in leaf litter near their host plants. Gently disturb the top layer of soil or debris around these plants to uncover them.
Adult Adult american Dun-bar Moth are nocturnal and attracted to light. Use light traps during the night or search near sources of light where they might be resting during the daytime.
Are American Dun-bar Moth harmful?
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Harmful Effects of American Dun-bar Moth
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Hurt Plant

When american Dun-bar Moth feeds on Salix and Populus species, it chews through plant tissues, predominantly targeting leaves and fruits. This feeding activity results in defoliation and damage to reproductive structures which can reduce photosynthesis, impair growth, and potentially reduce the plant's overall vigor and ability to produce seeds.

More Effects of American Dun-bar Moth

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