Wall Brown

lasiommata megera

The Wall Brown (Lasiommata megera) is a delightful and active member of the brush-footed butterfly family, Nymphalidae. Named for its signature habit of basking on warm stone walls, gravel paths, and rocks, this insect is a sun-loving species that thrives in open, stony habitats. Its striking orange and dark brown pattern, dotted with deceptive eyespots, makes it an eye-catching encounter for nature enthusiasts. In flight, the Wall Brown exhibits a rapid, skipping pattern, moving quickly from one sunny patch to another. Despite its historic abundance across temperate climates, this butterfly has suffered mysterious and dramatic population declines in inland regions, making coastal sightings particularly treasured. It remains a fascinating subject of study due to its territorial nature and superb thermoregulatory tactics.

生息地: Found in open, sunny environments with sparse vegetation and bare ground, such as disused quarries, railway embankments, rocky coastal cliffs, and gravel paths.

外見

This medium-sized butterfly features upperwings painted in a rich, marbled orange pattern with dark brown veins and bands. The most distinctive identifier is a large, black, white-pupiled eyespot near the tip of each forewing, complemented by a row of smaller eyespots along the edges of the hindwings. When resting, the Wall Brown typically folds its wings to reveal a mottled, cryptic underside of grey, brown, and cream, which provides outstanding camouflage against stones and dry earth. Males can be distinguished by a prominent dark brand of scent-scales on their forewings, and their wingspan generally ranges from 3 to 5 centimeters.

界Animalia門Arthropoda綱Insecta目Lepidoptera科Nymphalidae属Lasiommata

Wall Brown

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

Depending on the warmth of the region, the Wall Brown can produce up to three successive generations in a single year.

The butterfly gets its common name from its habitual behavior of basking on stone walls, rocks, and bare pathways to absorb solar heat.

To protect itself from predators while resting, the Wall Brown closes its wings to reveal a mottled grey-brown underside that perfectly mimics stone or dry soil.

特殊能力

It spreads its wings flat against stone walls or bare earth to rapidly absorb solar radiation, allowing it to fly in cooler conditions.

Large, concentric eyespots on the wingtips draw the attacks of birds and other predators away from the vulnerable body.

Males actively patrol small, warm territories, darting out aggressively to intercept and investigate any passing insects.

サイズと詳細

長さ: 222010212000021+ cm
翼開長: 3+ cm
体重: 0.0001+ kg
寿命: 0+ 年
Top Speed: 15 km/h
一度の産卵数: 505001010315000+
抱卵期間: 101010000000000+ 日

食性と食事

As caterpillars, they feed exclusively on various wild grasses, whereas the adult butterflies forage for nectar on a variety of wildflowers.

主な食物

Cock's-foot grass (Dactylis glomerata)
Yorkshire Fog (Holcus lanatus)
Bramble nectar (Rubus fruticosus)
Common Knapweed nectar (Centaurea nigra)

採餌方法

Foraging20240417121043

生態系とのつながり

host plant

Cock's-foot Grass

Dactylis glomerata

The primary larval host plant, providing nutrition for the developing caterpillar.

mutualism

Bramble

Rubus fruticosus

Provides a crucial nectar source for adult butterflies during the summer months.

eaten by

Common Wasp

Vespula vulgaris

Acts as a major predator of both larvae and adult butterflies in scrub habitats.

特徴

このオブジェクトにはまだ特徴バッジが割り当てられていません。

別名

まだ別名はありません。

コレクション

テーマが追加されると、このオブジェクトのコレクションがここに表示されます。

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

Wall Brownを見分けるには？

Wall Brown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。

Wall Brownの長さは何ですか？

222010212000021+ cm

Wall Brownの翼開長は何ですか？

3+ cm

Wall Brownの体重は何ですか？

0.0001+ kg

Wall Brownの寿命は何ですか？

0+ 年

Wall Brownのtop Speedは何ですか？

15 km/h

Wall Brownは何を食べますか？

As caterpillars, they feed exclusively on various wild grasses, whereas the adult butterflies forage for nectar on a variety of wildflowers.

Wall Brownは通常どこに生息していますか？

Found in open, sunny environments with sparse vegetation and bare ground, such as disused quarries, railway embankments, rocky coastal cliffs, and gravel paths.