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Straw-barred pearl

Straw-barred pearl

Pyrausta despicata

A species of Pyrausta

The wingspan of Pyrausta despicata can reach 14–19 mm. The wings are brown or greyish, with quite variable pale brown markings.

General Info About Straw-barred pearl
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Attributes of Straw-barred pearl
Colors
Brown
Black
Gray
Habitat
chalky habitat; limestone habitat
Adult Food Sources
Floral nectar from mint flowers, thistle, dandelion, clover, and buddleia.
Larva Food Source
Host plant leaves, such as mints (family lamiaceae), dead-nettles, henbits, and other closely related plant species.
Biting/stinging
Not reported
Allergy-causing
Not reported
Defensive attack
Not reported
Venomous
Not reported
Non-poisonous
The Straw-barred pearl 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 Straw-barred pearl 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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Species Status of Straw-barred pearl
It is present in most of Europe.
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Distribution Area of Straw-barred pearl
Europe
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Life Cycle of Straw-barred pearl
Egg The embryonic stage of straw-barred pearl begins as an egg. Typically oval in shape and diminutive in size, the egg's color can vary. The egg stage is a non-mobile period where the primary focus is on internal development in preparation for hatching.
Larva Upon hatching, the larva of straw-barred pearl emerges. Often markedly different in appearance from the adult, larvae are usually worm-like, lacking wings, and have a voracious appetite for growth. They frequently molt, increasing in size with each stage.
Pupal In this transformative phase, straw-barred pearl enters the pupa stage. Encased within a chrysalis, it's immobile and outwardly dormant. However, significant internal reorganization occurs as tissues restructure to form adult features.
Adult Emerging from the pupa, the adult straw-barred pearl’s development is marked by pronounced wings and reproductive capabilities. The body is fully developed with distinct coloration and patterns. This mobile stage prioritizes finding a mate and laying eggs.
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Adult Size of Straw-barred pearl
1.4 - 1.9 cm
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Predators of Straw-barred pearl Larvae
Birds, rodents, predaceous insects
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Predators of Adult Straw-barred pearl
Birds, bats, spiders
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Interesting Facts About Straw-barred pearl
Straw-barred pearl has a remarkable ability to navigate vast distances during migration despite their tiny size, relying on a mix of sensory inputs and environmental cues.
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Scientific Classification of Straw-barred pearl
Tips for Finding Straw-barred pearl
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Youth Habitat of Straw-barred pearl
Grasslands and Prairies, Forests and Woodlands, Agricultural and Cultivated Areas
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Adult Habitat of Straw-barred pearl
Grasslands and Prairies, Forests and Woodlands, Agricultural and Cultivated Areas, Urban and Suburban Areas
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How Can You Attract Straw-barred pearl
Adult straw-barred pearl might be lured using light traps at night or with bait made from fermenting sweets like overripe fruit or a mixture of sugar and beer.
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Habitat Preferences of Straw-barred pearl Through Different Life Stages
Straw-barred pearl eggs are typically laid on the underside of host plant leaves. The caterpillars, or larvae, are found feeding on these host plants, commonly herbs or shrubs, depending on the species preferences. When searching for the larvae, inspecting the host plants closely is essential, particularly the leaves. Pupation usually occurs in a cocoon hidden in leaf litter or soil near the host plants, so searching for pupae involves careful examination of the ground around the host plant area. Adults, being moths, are most active at dusk and can often be found near sources of light or host plants.
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When is the Best Time to Observe Straw-barred pearl
The best time to find adult straw-barred pearl is during evening or night when they are most active. The larval stages are typically found during daylight hours, particularly in the morning or late afternoon.
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What is the Best Weather to Observe Straw-barred pearl
Mild to warm weather with low wind is ideal for finding straw-barred pearl, as extreme temperatures and strong winds can deter their activity.
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How and Where Can You Find Straw-barred pearl at Different Life Stages
Egg Straw-barred pearl eggs are usually laid on the host plants. To find them, inspect the leaves (especially the undersides) and stems of possible host plants for small clusters or rows of eggs.
Larva Straw-barred pearl caterpillars can be found on or near their food plants. Search for them by examining the leaves for feeding damage or frass (caterpillar droppings) and carefully checking both sides of leaves.
Pupal Straw-barred pearl chrysalises might be attached to plants, under leaves or in leaf litter, or concealed in the soil or other sheltered locations. Look for pupae by gently sifting through leaf litter or soil near the host plants.
Adult Straw-barred pearl can usually be seen flying around flowers or resting on vegetation. Spotting them can be easier at dusk when they are drawn to lights. A UV light trap or sugary bait can also be used to attract and observe them.
Are Straw-barred pearl harmful?
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Harmful Effects of Straw-barred pearl
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Explore the dangers of insects related to toxicity, lethality, human biting, human stinging, pathogenicity, hematophagy, allergenicity, parasitism, etc.
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Hurt Plant

Straw-barred pearl larvae feed on a variety of plants, chewing through leaves and stems. This behavior can result in defoliation and structural damage, leading to a range of impacts from mild to severe depending on the infestation level.

More Effects of Straw-barred pearl

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