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Hop Looper

Hop Looper

Hypena humuli

A species of Hypena

Hypena humuli, the hop looper or hop vine moth, is a moth of the family Erebidae. The species was first described by Thaddeus William Harris in 1841. It is found from coast to coast in Canada south in the east to Florida and Arkansas in the west to California. It is apparently absent from the south-central states. In Canada it is only absent from Newfoundland and Labrador, Prince Edward Island and the far north. The wingspan is 25–32 mm. The moth flies all year round in the south and west and from April to November in the northeast. There are two generations per year northward over most of the east. The larva, or hop worm, is about an inch long when full grown, of a greenish-white color, watery looking or semi transparent, and slightly striped and dotted, having fourteen legs. The mouth is yellowish, and the tips of the jaws black. The larvae appear early in June, and continue until late in August. They feed on Laportea species, hop, nettle and wood nettle.

General Info About Hop Looper
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Attributes of Hop Looper
Colors
Brown
Black
Gray
Habitat
field; weedy area; waste place; attracted to light
Adult Food Sources
Flower nectar, honeydew, fruit juices, decaying fruit, tree sap
Larva Food Source
Nettle (urtica dioica), hops (humulus lupulus), elm (ulmus spp.), birch (betula spp.), raspberry (rubus idaeus)
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
Pest-Eating Predatory
Not reported
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Life Cycle of Hop Looper
Egg The egg of the hop Looper is tiny, laid singularly or in clusters. The color may vary from white to a pale hue, blending with the host plant for camouflage.
Larva The larval stage of the hop Looper is characterized by molting, during which it increases in size. It often has a distinct color pattern for defense and may possess hairs or spines.
Pupal The pupa of the hop Looper is a non-feeding stage where metamorphosis occurs. Encased within a chrysalis, it gradually changes from a larva to an adult, often seen as immobile and camouflaged.
Adult Emerging from the pupa, the adult hop Looper'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 Hop Looper Larvae
Birds, rodents, arthropods like beetles and ants, spiders
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Predators of Adult Hop Looper
Bats, birds, rodents, spiders, other nocturnal predators
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Interesting Facts About Hop Looper
Despite its unassuming appearance, hop Looper can emit bursts of ultrasonic clicks to jam bats' echolocation, a rare talent across butterflies and moths.
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Scientific Classification of Hop Looper
Tips for Finding Hop Looper
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Youth Habitat of Hop Looper
Forests and Woodlands, Agricultural and Cultivated Areas
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Adult Habitat of Hop Looper
Forests and Woodlands, Agricultural and Cultivated Areas, Urban and Suburban Areas
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How Can You Attract Hop Looper
Light traps are effective as hop Looper are nocturnal and attracted to light. Sweet baits can also lure them since they feed on nectar.
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Habitat Preferences of Hop Looper Through Different Life Stages
The eggs of hop Looper are laid on the underside of leaves, particularly favoring hop plants and nettles. For the larval stage, look among leaf litter or on host plants where the caterpillars feed at night. The pupae are typically found in loose soil or leaf litter, well-camouflaged as they undergo metamorphosis. As adults, hop Looper are nocturnal and often found near vegetation or sources of light to which they are attracted. To find each stage, search in habitats where host plants are abundant, like gardens, hedgerows, or fields, and use a light at night to attract the flying adults.
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When is the Best Time to Observe Hop Looper
Nighttime is the most appropriate time to find adult hop Looper because they are nocturnal. The larvae can be sought after during the day in their preferred habitats.
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What is the Best Weather to Observe Hop Looper
Hop Looper might be most active in mild to warm temperatures and low wind conditions, as extreme temperatures and high winds can limit their activity.
Are Hop Looper harmful?
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Harmful Effects of Hop Looper
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Agricultural Pests

Larvae of hop Looper can cause significant harm to hop plants by chewing plant tissues, particularly the leaves. Minor infestations might only cause superficial defoliation, but severe outbreaks lead to extensive leaf damage, potentially affecting plant vigor and yield. This can indirectly affect the brewing industry and local economies reliant on crop production.

More Effects of Hop Looper

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