American Snout

libytheana carinenta

The American Snout (Libytheana carinenta) is a remarkable and uniquely shaped butterfly best known for its prominent, elongated mouthparts that form a distinct "snout." Belonging to the brush-footed butterfly family, this species is a master of disguise, utilizing complex wing patterns and shapes to mimic dead leaves perfectly. Beyond its intriguing appearance, the American Snout is famous for its spectacular and unpredictable mass migrations. During certain years, population explosions triggered by specific weather patterns lead to millions of these butterflies taking to the skies in dark, cloud-like swarms. These breathtaking flights are a testament to the dynamic nature of insect life cycles and remain one of the most astonishing spectacles in the natural world.

生息地: Found in open woodlands, brushy areas, and forest edges, particularly in regions where hackberry trees are abundant.

外見

This medium-sized butterfly has a wingspan of 3.5 to 5 centimeters. The most defining feature is its long, beak-like snout, which is composed of elongated labial palpi protruding from its head. The upper side of the wings is boldly patterned in black or dark brown with striking orange patches and white spots near the tips of the forewings. The underside of the wings is a mottled, dull brown and gray that flawlessly resembles a dried, dead leaf, complete with a dark line resembling a leaf vein. The forewings feature a distinctive squared-off tip, further enhancing its leafy disguise when resting.

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

American Snout

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

During massive population booms in Texas, swarms of American Snouts have been so dense that they block out the sun and cause streetlights to turn on during the day.

The snout is not actually a nose, but rather highly elongated labial palps, which are mouthparts covered in sensory receptors.

When frightened, the American Snout will often drop out of the air and fall directly into the leaf litter below, playing dead to become completely invisible to predators.

特殊能力

When resting with its wings closed, the butterfly perfectly mimics a dry leaf, utilizing its squared forewing tips and mottled brown underside to hide from predators.

Capable of forming massive migratory swarms in late summer, with millions of individuals traveling together in numbers dense enough to obscure the sun.

Possesses specially adapted, highly elongated mouthparts that form a snout which helps break up its outline and enhances its dead-leaf camouflage.

サイズと詳細

長さ: 1-2 cm
翼開長: 3-5 cm
体重: 0.0001-0.0003 kg
寿命: 0 年
Top Speed: 20 km/h
一度の産卵数: 50-200
抱卵期間: 4-8 日
渡りの距離: 800 km

食性と食事

Caterpillars exclusively consume the foliage of hackberry trees, while adult butterflies feed on nectar from various flowers and extract minerals from damp soil.

年齢による違い: Larvae are obligate leaf-eaters (folivores), whereas adults shift entirely to a liquid diet of nectar and dissolved minerals.

主な食物

Hackberry leaves
Aster nectar
Goldenrod nectar
Dogwood nectar
Mineral-rich mud

採餌方法

Foraging

生態系とのつながり

host plant

Common Hackberry

Celtis occidentalis

Primary host plant for caterpillars.

eaten by

Eastern Bluebird

Sialia sialis

Preys on adult butterflies and caterpillars.

mutualism

Tall Goldenrod

Solidago altissima

Source of nectar for adult butterflies during late summer migrations.

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

American Snoutを見分けるには？

American Snout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。

American Snoutの長さは何ですか？

1-2 cm

American Snoutの翼開長は何ですか？

3-5 cm

American Snoutの体重は何ですか？

0.0001-0.0003 kg

American Snoutの寿命は何ですか？

0 年

American Snoutのtop Speedは何ですか？

20 km/h

American Snoutは何を食べますか？

Caterpillars exclusively consume the foliage of hackberry trees, while adult butterflies feed on nectar from various flowers and extract minerals from damp soil.

American Snoutは通常どこに生息していますか？

Found in open woodlands, brushy areas, and forest edges, particularly in regions where hackberry trees are abundant.