Anna Tiger Moth
探検昆虫
Anna Tiger Moth
apantesis anna
The Anna Tiger Moth (Apantesis anna) is a striking and intricately patterned member of the Erebidae family. Native to eastern North America, this moth is celebrated for its bold geometric shapes and contrasting color palette. It undergoes a complete metamorphosis, with its woolly, resilient caterpillar stage eventually transforming into an eye-catching adult. Equipped with advanced sensory mechanisms, the moth is highly adapted to navigate the threats of the nocturnal world, making it a fascinating subject for insect enthusiasts and researchers alike.
生息地: Typically found in damp meadows, open woodlands, forest edges, and old fields where herbaceous host plants are abundant.
外見
The adult Anna Tiger Moth features a wingspan of 4.0 to 5.2 cm. Its forewings are predominantly dark brown or black, intersected by a distinct grid of pale cream or light-yellow lines. The hindwings provide a vibrant contrast, displaying a bright yellow to orange hue adorned with thick black borders and large black spots. Its thorax is black with prominent cream stripes, while the abdomen is yellow-orange with a central row of black spots, serving as a bright warning to potential predators.
界Animalia門Arthropoda綱Insecta目Lepidoptera科Erebidae属Apantesis
カテゴリ
昆虫レア度
Common
危険度
1/5 · 非常に低い
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おもしろい事実
Its caterpillar is covered in stiff, dense hairs that irritate the mouths of birds and can cause mild skin irritation to humans who handle them.
The bright yellow underwings of the Anna Tiger Moth act as a flash defense, startling predators when the moth suddenly takes flight.
They belong to a group of moths capable of complex acoustic mimicry, mimicking the warning sounds of other, even more toxic moth species.
特殊能力
能力
Ultrasonic Clicks
Uses specialized tymbal organs on its thorax to emit high-frequency clicks that jam bat echolocation or warn them of the moth's toxicity.
能力
Chemical Sequestration
As a caterpillar, it consumes and stores toxic alkaloids from host plants, rendering both larvae and adults highly unpalatable to predators.
能力
Freeze Tolerance
The caterpillars can survive freezing winter temperatures by producing natural cryoprotectants in their blood to prevent internal ice damage.
サイズと詳細
- 長さ
- 2-3 cm
- 翼開長
- 4-6 cm
- 体重
- 0.0001-0.0005 kg
- 寿命
- 1 年
- Top Speed
- 12 km/h
- 一度の産卵数
- 100-300
- 抱卵期間
- 7-14 日
食性と食事
Caterpillars feed on a variety of low-growing herbaceous plants and weeds, while adult moths have reduced mouthparts and feed minimally, if at all.
年齢による違い: Larvae are voracious foliage grazers, whereas adults primarily survive on fat reserves accumulated during the caterpillar stage.
主な食物
- Common Dandelion (Taraxacum officinale)
- Broadleaf Plantain (Plantago major)
- Wild Clover (Trifolium spp.)
採餌方法
- Grazing
生態系とのつながり
host plant
Broadleaf Plantain
Plantago major
The caterpillar utilizes this common lawn weed as a primary host plant for nutrition and chemical defenses.
eaten by
Big Brown Bat
Eptesicus fuscus
An active nocturnal predator that attempts to hunt the adult moths, though often deterred by ultrasonic clicks.
host plant
Common Dandelion
Taraxacum officinale
The larvae frequently graze on the leaves of this abundant herbaceous plant in fields and meadows.
特徴
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別名
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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
Anna Tiger Mothを見分けるには？
Anna Tiger Moth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。
Anna Tiger Mothの長さは何ですか？
2-3 cm
Anna Tiger Mothの翼開長は何ですか？
4-6 cm
Anna Tiger Mothの体重は何ですか？
0.0001-0.0005 kg
Anna Tiger Mothの寿命は何ですか？
1 年
Anna Tiger Mothのtop Speedは何ですか？
12 km/h
Anna Tiger Mothは何を食べますか？
Caterpillars feed on a variety of low-growing herbaceous plants and weeds, while adult moths have reduced mouthparts and feed minimally, if at all.
Anna Tiger Mothは通常どこに生息していますか？
Typically found in damp meadows, open woodlands, forest edges, and old fields where herbaceous host plants are abundant.
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