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Variable cutworm

Variable cutworm

Agrotis porphyricollis

A species of Agrotis

The wingspan is about 3 cm .

General Info About Variable cutworm
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Attributes of Variable cutworm
Colors
Brown
Black
White
Habitat
underground; beet; potato
Adult Food Sources
Flower nectar, honeydew, flower pollen, sap, plant fluids
Larva Food Source
Leaves, stems, roots of various plants, crop foliage, garden vegetables
Biting/stinging
Not reported
Allergy-causing
Not reported
Defensive attack
Not reported
Venomous
Not reported
Phytophagous
The Variable cutworm 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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Life Cycle of Variable cutworm
Egg The embryonic variable cutworm develops inside the egg. This stage is characterized by its small, oval shape and the egg's relative immobility. The color can range from translucent to opaque, often matching the environment for camouflage.
Larva After hatching, the larval variable cutworm is primarily focused on feeding and growth. The larva is elongated with distinct segmentation and may display varied color patterns. Molting occurs multiple times for size increases.
Pupal The pupal variable cutworm undergoes significant internal reorganization inside a protective casing. While externally static, complex changes transpire as tissues and organs transform. The pupa's color and shape can vary, often blending with surroundings.
Adult Emerging from the pupa, the adult variable cutworm'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 Variable cutworm
3 cm
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Predators of Variable cutworm Larvae
Frogs and toads, birds, rodents, parasitic wasps, predatory beetles
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Predators of Adult Variable cutworm
Bats, spiders, birds, larger nocturnal insects such as other moths or praying mantises
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Interesting Facts About Variable cutworm
At night, variable cutworm perform elaborate aerial dances, attracting mates with their intricate flight patterns and luminescent markings.
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Scientific Classification of Variable cutworm
Tips for Finding Variable cutworm
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How Can You Attract Variable cutworm
No specific trap food can be identified without mentioning variable cutworm.
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Habitat Preferences of Variable cutworm Through Different Life Stages
The eggs of variable cutworm are typically laid on the leaves of host plants. Once hatched, the larvae, also known as caterpillars, can be found feeding on a variety of crops and grasses, often at night. Pupation usually occurs in the soil, where the larvae burrow to transform into pupae. If you are searching for these caterpillars, inspecting the underside of leaves and near the base of plants at night would be effective. To find pupae, one should dig around in the soil surrounding the host plants. The adult variable cutworm, a moth, is nocturnal and can often be caught using light traps or seen resting on the surfaces near vegetation during the day.
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When is the Best Time to Observe Variable cutworm
The suitable time to find variable cutworm is typically at night since variable cutworm is part of the Noctuidae family which includes nocturnal species.
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What is the Best Weather to Observe Variable cutworm
Mild, warm, and humid nights are often the most suitable conditions for finding variable cutworm as they prefer not to be active during cold or harsh weather.
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How and Where Can You Find Variable cutworm at Different Life Stages
Egg Variable cutworm eggs are typically laid on host plants, making these plants the best location to begin searching. Observing the undersides of leaves and stems of potential food sources during the appropriate season can lead to their discovery.
Larva Variable cutworm caterpillars can be found on or near their food plants, which are often specific to the species. Search for signs of feeding such as chewed leaves, frass (caterpillar droppings), and rolled or tied leaves which may shelter the larvae.
Pupal Variable cutworm pupae are commonly found in the soil or among leaf litter near the food plants. Gently digging at the base of the host plants or examining the surrounding debris can sometimes reveal them.
Adult Variable cutworm adults, being nocturnal, are attracted to light sources. Setting up light traps with ultraviolet or white light in suitable habitats during the night can effectively draw in adults for observation or capture.
Are Variable cutworm harmful?
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Harmful Effects of Variable cutworm
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Agricultural Pests

Variable cutworm larvae feed on various crops, causing mild to severe damage. They chew plant tissues, especially roots and leaves, leading to stunted growth and reduced yields. Large infestations can result in significant crop loss, affecting food supply and economic stability for farmers.

More Effects of Variable cutworm

Common Questions People Also Ask
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