Tropical Orbweaver
Tropical Orbweaver
eriophora ravilla
The Tropical Orbweaver (Eriophora ravilla) is an engaging and highly adaptable nocturnal spider found throughout the warmer, humid regions of the Americas. Renowned for its impressive web-building skills, this species weaves massive, circular orb webs at dusk, which it uses to capture flying insects overnight. One of the most intriguing aspects of the Tropical Orbweaver is its extreme color and pattern polymorphism; individuals can look remarkably different from one another, ranging from bright greens and yellows to dull browns and grays, sometimes featuring a distinct white or yellow stripe down the abdomen. As dawn approaches, these industrious spiders typically consume their own webs to recycle the valuable proteins, retreating to hide under nearby leaves or bark during the day. This behavior makes them spectacular nocturnal subjects for nature enthusiasts. Encountering one in a garden or forest edge offers a wonderful glimpse into the intricate and efficient world of arachnid engineering.
生息地: Typically found in warm, humid environments such as subtropical forests, citrus groves, gardens, and forest edges, where they can easily suspend webs between trees or shrubs.
外見
The Tropical Orbweaver is a medium-to-large spider characterized by a bulbous, slightly teardrop-shaped abdomen and a relatively flat, hairy cephalothorax. Due to high polymorphism, their coloration varies wildly: some are uniform pale green, while others are mottled gray, reddish-brown, or cream-colored, often with a prominent pale green or yellow patch or longitudinal stripe on the dorsum. Females are significantly larger than males, with a body length of 1.2 to 2.4 cm, while males rarely exceed 1.0 cm. Their legs are robust, typically covered in fine spines and alternating dark and light bands.
界Animalia門Arthropoda綱Arachnida目Araneae科Araneidae属Eriophora
カテゴリ
Invertebrate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
During the daytime, they tuck their legs tightly against their bodies while resting on a twig or leaf, perfectly mimicking a bud, leaf scar, or bird dropping.
The species exhibits extreme color polymorphism; two spiders born from the same egg sac can look like entirely different species.
They are known to consume their entire web every morning to recycle the silk proteins, leaving almost no trace of their presence during the day.
特殊能力
能力
Web Recycling
The spider consumes its silk web every morning to conserve protein and moisture, rebuilding a fresh web at dusk.
能力
Extreme Polymorphism
Individuals display highly variable color patterns, ranging from bright green to brown, helping them blend into different microhabitats.
能力
Vibration Sensing
Highly sensitive slit sensilla on their legs detect minute vibrations in the web, allowing them to pinpoint trapped prey in complete darkness.
サイズと詳細
- 長さ
- 1+ cm
- 体重
- 0.0001+ kg
- 寿命
- 1+ 年
- 一度の産卵数
- 100+
- 抱卵期間
- 20+ 日
食性と食事
A nocturnal predator that feeds on flying insects intercepted by its sticky, aerial orb web constructed at twilight.
年齢による違い: Juveniles eat smaller insects like fruit flies and gnats, while mature females tackle much larger beetles and moths.
主な食物
- Moths
- Mosquitoes
- Beetles
- Flies
- Cicadas
採餌方法
- Ambush
生態系とのつながり
eaten by
Blue Mud Wasp
Chalybion californicum
The Blue Mud Wasp hunts and paralyzes Tropical Orbweavers to provision its mud nests with food for its developing larvae.
eaten by
Green Anole
Anolis carolinensis
The Green Anole actively hunts spiders, including the Tropical Orbweaver, when they are found resting in foliage during the day.
hunts
Fall Armyworm Moth
Spodoptera frugiperda
The Tropical Orbweaver captures and consumes nocturnal moths like the Fall Armyworm Moth in its large sticky web.
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
Tropical Orbweaverを見分けるには？
Tropical Orbweaver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。
Tropical Orbweaverの長さは何ですか？
1+ cm
Tropical Orbweaverの体重は何ですか？
0.0001+ kg
Tropical Orbweaverの寿命は何ですか？
1+ 年
Tropical Orbweaverは何を食べますか？
A nocturnal predator that feeds on flying insects intercepted by its sticky, aerial orb web constructed at twilight.
Tropical Orbweaverは通常どこに生息していますか？
Typically found in warm, humid environments such as subtropical forests, citrus groves, gardens, and forest edges, where they can easily suspend webs between trees or shrubs.
Tropical Orbweaverはどのように狩りをしますか？
Ambush
Tropical Orbweaverの一度の産卵数は何ですか？
100+
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