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Double-striped knot-horn

Double-striped knot-horn

Cryptoblabes bistriga

A species of Cryptoblabes

Cryptoblabes bistriga is a species of snout moth in the genus Cryptoblabes. It was described by Adrian Hardy Haworth in 1811. It is found in most of Europe, except Portugal, parts of the Balkan Peninsula and Ukraine. The wingspan is 18–20 mm. Adults have a distinctive broad reddish area in the middle of the forewing. They are on wing from late June to July. The larvae feed on the leaves of various trees, including Quercus, Alnus and Myrica species. They feed from within a folded leaf.

General Info About Double-striped knot-horn
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Attributes of Double-striped knot-horn
Colors
Brown
Gray
White
Habitat
Tree; tall bushe; oak woodland
Adult Food Sources
Nectar, tree sap, honeydew excreted by aphids
Venomous
Not reported
Non-poisonous
Not reported
Borer
Not reported
Pollinator
Not reported
Pest-Eating Predatory
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 Double-striped knot-horn
Rare
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Distribution Area of Double-striped knot-horn
Europe, except Portugal, Balkan Peninsula, Ukraine
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Life Cycle of Double-striped knot-horn
Egg The egg stage begins with oval or round eggs, often small and laid in batches. The color can vary, possibly matching the host's surface for camouflage. The eggs serve as protection until the larvae emerge.
Larva After hatching, the larva of double-striped knot-horn appears worm-like, with a soft body and a primary focus on feeding to grow. It undergoes several molts, increasing in size but retaining its basic larval shape throughout.
Pupal The larva of double-striped knot-horn encases itself in a pupa, undergoing a dramatic transformation. The pupa might be attached to foliage or hidden in soil, and within it, the organism reorganizes into its adult form.
Adult Emerging from the pupa, the adult double-striped knot-horn'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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Interesting Facts About Double-striped knot-horn
Double-striped knot-horn larvae exhibit a unique 'cork-screwing' motion when disturbed, spinning rapidly in a helical pattern to evade predators.
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Scientific Classification of Double-striped knot-horn
Tips for Finding Double-striped knot-horn
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Youth Habitat of Double-striped knot-horn
Forests and Woodlands, Agricultural and Cultivated Areas, Rotting and Decaying Matter
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Adult Habitat of Double-striped knot-horn
Forests and Woodlands, Agricultural and Cultivated Areas, Urban and Suburban Areas
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How Can You Attract Double-striped knot-horn
To attract double-striped knot-horn, one can use bait traps containing fermenting fruit or sugary substances, as many Pyralidae are attracted to these odors.
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What is the Best Weather to Observe Double-striped knot-horn
Double-striped knot-horn is more likely to be active in warmer weather without heavy winds or rain, which can hinder their ability to fly or may force them to take shelter.
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How and Where Can You Find Double-striped knot-horn at Different Life Stages
Egg Double-striped knot-horn eggs are typically laid in clusters on the host plant and can be found by carefully inspecting the leaves and stems for small, ovular deposits.
Larva Double-striped knot-horn larvae or caterpillars can often be located by identifying and searching on or near their host plants, looking for signs of feeding such as chewed leaves or frass (caterpillar droppings).
Pupal Double-striped knot-horn pupae may be found in protected areas near the larval food source, such as within leaf litter, under branches, or in crevices. Inspect these areas gently to avoid disturbing the developing pupae.
Adult Double-striped knot-horn adults are typically most active at night and can be attracted to light sources. Setting up a light trap with a white sheet can be an effective method to observe and collect them.
Are Double-striped knot-horn harmful?
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Harmful Effects of Double-striped knot-horn
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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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Agricultural Pests

Larvae of double-striped knot-horn cause mild to severe damage by feeding on various fruits and seeds without specificity, leading to reduced crop quality and yield. Infestations can advance from mild visual spoilage to severe loss, potentially impacting food supplies and financial returns for farmers.

More Effects of Double-striped knot-horn

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