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Hawthorn cosmet

Hawthorn cosmet

Blastodacna hellerella

A species of Blastodacna

The wingspan is 10–13 mm. Adults are on wing from the May to August in one generation per year. The larvae feed on midland hawthorn (Crataegus laevigata) and common hawthorn (Crataegus monogyna). There are unconfirmed records for blackthorn (Prunus spinosa), European plum (Prunus domestica) and apple (Malus species), although there may be confusion with other species. Larvae can be found from summer to autumn in fruit and tenanted berries have a small hole. Frass is not extruded. Pupation takes place in rotten wood during the autumn.

General Info About Hawthorn cosmet
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Attributes of Hawthorn cosmet
Colors
Brown
Black
Gray
White
Habitat
Woodland margin; park; garden
Larva Food Source
Apple tree leaves and bark, apple fruit
Biting/stinging
Not reported
Allergy-causing
Not reported
Defensive attack
Not reported
Pest-Eating Predatory
Not reported
Phytophagous
Not reported
Predatory
Not reported
Biting animal or pet
Not reported
Mouthparts Type
Vestigial
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Species Status of Hawthorn cosmet
Common
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Predators of Hawthorn cosmet Larvae
Birds, small mammals, insectivorous reptiles, larger insects
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Predators of Adult Hawthorn cosmet
Birds, bats, spiders, insectivorous mammals
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Interesting Facts About Hawthorn cosmet
Hawthorn cosmet pupae can sing! Utilizing specialized structures, the pupae create sound for communication or defense.
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Scientific Classification of Hawthorn cosmet
Tips for Finding Hawthorn cosmet
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Youth Habitat of Hawthorn cosmet
Rotting and Decaying Matter, Forests and Woodlands
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Habitat Preferences of Hawthorn cosmet Through Different Life Stages
To observe the intriguing life stages of hawthorn cosmet, you'd visit varied environments. The eggs, often found on the underside of leaves or hidden in plant crevices, require a vigilant eye to spot. Caterpillars, equipped with a taste for specific plants, would necessitate a search amongst their favored foliage, which may involve breaking apart fruit or nut cases where they sometimes reside and feed. Pupae could likely be discovered within a woven cocoon in leaf litter or soil, demanding a keen sense of detail to differentiate them from their natural backdrop. Lastly, adults are typically nocturnal and attracted to light sources, so night-time excursions near flora may reward you with a sighting.
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When is the Best Time to Observe Hawthorn cosmet
The best time to find hawthorn cosmet can vary, but adults are often more active at dusk or during the night, whereas larvae and pupae may be found throughout the day depending on the environmental conditions.
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What is the Best Weather to Observe Hawthorn cosmet
Mild, humid, and calm weather conditions are generally more suitable for finding hawthorn cosmet as extreme temperatures or dry conditions can reduce their activity levels.
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How and Where Can You Find Hawthorn cosmet at Different Life Stages
Egg Eggs of hawthorn cosmet are usually laid on host plants. Identify the host plant species and inspect the undersides of leaves and stems for small, often ovular eggs.
Larva Hawthorn cosmet larvae can be found on or near their food plants. Look for signs of feeding damage on leaves and inspect both sides of the plant leaves and stems for caterpillars.
Pupal Pupae of hawthorn cosmet may be attached to plant stems, leaves, or may be in the leaf litter. Search near the larval food plants and gently examine the surrounding area for pupae camouflaged in the environment.
Adult Adult hawthorn cosmet are typically found near flowers or sources of light at night. Use a light trap to attract and observe them after dark or visit flowering plants around dusk.
Are Hawthorn cosmet harmful?
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