Small Engrailed
探検昆虫
Small Engrailed
ectropis crepuscularia
The Small Engrailed (Ectropis crepuscularia) is a master of disguise within the moth world. Belonging to the family Geometridae, this nocturnal insect blends seamlessly against the lichen-covered bark of various trees during the day. Its intricate, wavy wing patterns resemble the fine lines engraved in wood, giving it its distinctive name. Highly adaptable, it thrives in a wide range of wooded habitats across the Northern Hemisphere. This moth is a fascinating subject for nature enthusiasts who enjoy a good game of hide-and-seek. Its caterpillars, known as loopers or inchworms, move with a charming looping motion and feed on a diverse menu of trees and shrubs. Observing the Small Engrailed offers a wonderful glimpse into the marvels of evolutionary camouflage and the delicate balance of forest ecosystems.
生息地: Found in a variety of wooded environments, including deciduous and coniferous forests, parks, gardens, and shrubby hedgerows.
外見
The Small Engrailed features a wingspan of 3 to 5 centimeters. Its wings are characterized by a highly variable pale grey to light brown ground color, intricately dusted and patterned with dark brown or blackish wavy lines, bands, and speckles. A distinct dark, wavy line runs across both the forewings and hindwings. When resting, it flattens its wings completely against tree trunks, perfectly matching the texture of bark and lichens. This resting posture, combined with its mottled coloration, makes it nearly invisible to the untrained eye.
界Animalia門Arthropoda綱Insecta目Lepidoptera科Geometridae属Ectropis
カテゴリ
昆虫レア度
Common
危険度
1/5 · 非常に低い
スナップ
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おもしろい事実
Despite their name, adult Small Engrailed moths do not 'engrave' anything; their name comes from the fine, wood-engraving-like patterns on their wings.
In some regions, this moth produces two generations in a single year (double-brooded), with the second generation often being smaller and darker.
This species is highly sensitive to light pollution, which can disrupt their nocturnal mating and feeding behaviors.
特殊能力
能力
Crypsis Camouflage
Its bark-like wing coloration and flat resting posture allow it to completely blend into tree trunks, avoiding detection by visual predators.
能力
Loop Locomotion
As caterpillars, they lack middle prolegs, forcing them to draw their rear up to their front legs, forming a loop to move efficiently.
能力
Twig Mimicry
When threatened, the caterpillars can freeze and stiffen their bodies at an angle from a branch, perfectly mimicking a small twig.
サイズと詳細
- 長さ
- 1+ cm
- 翼開長
- 3+ cm
- 体重
- 0+ kg
- Top Speed
- 15 km/h
- 一度の産卵数
- 100+
- 抱卵期間
- 7+ 日
食性と食事
The larvae feed on the leaves of a wide variety of deciduous and coniferous trees, while adults occasionally feed on nectar and tree sap.
主な食物
- Silver Birch leaves (Betula pendula)
- English Oak leaves (Quercus robur)
- Willow leaves (Salix)
- Larch needles (Larix)
採餌方法
- Grazingindexedbylarvaespreadingonfoliage (foraging/grazing For Plant Tissue As Larvae, Nectar Feeding As Adults)
生態系とのつながり
host plant
Silver Birch
Betula pendula
The caterpillars feed on the leaves of the silver birch, using it as a major developmental host plant.
eaten by
Eurasian Blue Tit
Cyanistes caeruleus
Blue tits regularly hunt both the caterpillars and adult moths to feed themselves and their chicks.
host plant
English Oak
Quercus robur
Larvae frequently feed on the foliage of mature oak trees during spring and summer.
特徴
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別名
まだ別名はありません。
コレクション
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安全性
危険度
1/5 · 非常に低い
まだ特別な安全上の注意はありません。
よくある質問
Small Engrailedを見分けるには？
Small Engrailedを識別する最も簡単な方法は、Snappit自然識別アプリを使用することです。
Small Engrailedの長さは何ですか？
1+ cm
Small Engrailedの翼開長は何ですか？
3+ cm
Small Engrailedの体重は何ですか？
0+ kg
Small Engrailedのtop Speedは何ですか？
15 km/h
Small Engrailedは何を食べますか？
The larvae feed on the leaves of a wide variety of deciduous and coniferous trees, while adults occasionally feed on nectar and tree sap.
Small Engrailedは通常どこに生息していますか？
Found in a variety of wooded environments, including deciduous and coniferous forests, parks, gardens, and shrubby hedgerows.
Small Engrailedはどのように狩りをしますか？
Grazingindexedbylarvaespreadingonfoliage (foraging/grazing For Plant Tissue As Larvae, Nectar Feeding As Adults)
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