
Black-Dotted Brown
cissusa spadix
The Black-Dotted Brown (Cissusa spadix) is a modest yet captivating moth belonging to the family Erebidae. Arriving as a herald of spring, it is among the earlier flying moths in its native North American range, taking wing when many other insects are still dormant. Its subtle beauty lies in its intricate wing patterns, which perfectly mimic the dead leaves and bark of its woodland habitat. This remarkable camouflage allows it to evade predators while resting during the day. As a night flyer, the Black-Dotted Brown is often drawn to porch lights and sugar baits, making it a familiar sight for keen-eyed naturalists and backyard moth enthusiasts exploring early-season woodlands.
生息地: Typically found in deciduous and mixed woodlands, oak-hickory forests, and scrublands across North America where its host trees are abundant.
外見
This moth features a relatively modest wingspan of 30 to 40 millimeters. Its forewings are typically colored in warm shades of reddish-brown, tan, or grayish-brown, traversed by fine, slightly wavy darker lines. The most distinguishing characteristic is the presence of several small, prominent black dots near the center and outer margins of the forewings, serving as subtle visual anchors in its otherwise cryptic patterning. The hindwings are generally a uniform, slightly paler brownish-gray. When at rest, the moth folds its wings flat against its body, resembling a dried oak leaf or a piece of textured tree bark.

カテゴリ
昆虫レア度
Common
危険度
1/5 · 非常に低い
スナップ
最初にスナップしよう!
おもしろい事実
The Black-Dotted Brown is one of the first moths to appear in early spring, often flying on nights when there's still a noticeable chill in the air.
Unlike many moths that flock exclusively to flowers, adult Black-Dotted Browns are notoriously fond of 'sugaring'—they love feeding on fermenting tree sap and decaying fruit.
When resting on a tree trunk, this moth aligns its wings with the grooves of the bark to maximize its leaf-litter and bark-like camouflage.
特殊能力
Cryptic Camouflage
The wing patterns and coloration perfectly mimic dead leaves and bark, rendering the moth almost invisible to daytime predators when resting on trees.
Cold Tolerance
Capable of flying in the cooler temperatures of early spring, allowing it to emerge and mate before many potential predators and competing moth species become active.
Chemosensory Navigation
Equipped with highly sensitive antennae that detect specific pheromones and the scents of tree sap or nectar from great distances in the dark.
サイズと詳細
- 長さ
- 1-2 cm
- 翼開長
- 3-4 cm
- 体重
- 0.0001-0.0003 kg
- 寿命
- 0-1 年
- Top Speed
- 15 km/h
- 一度の産卵数
- 50-200
- 抱卵期間
- 7-14 日
食性と食事
Caterpillars primarily feed on the foliage of oak trees, while adult moths rely on tree sap, fermenting fruit, and occasionally nectar.
年齢による違い: Larvae are exclusively leaf-eating caterpillars (folivores), whereas adults possess a proboscis adapted for drinking liquid nourishment.
主な食物
- Oak leaves
- Tree sap
- Fermenting fruit
- Nectar
採餌方法
- Foraging
生態系とのつながり
White Oak
Quercus alba
Larvae feed extensively on the foliage of various oak species.
Big Brown Bat
Eptesicus fuscus
Often falls prey to nocturnal insectivores like bats.
Tufted Titmouse
Baeolophus bicolor
Preyed upon by woodland birds during the day if their camouflage fails.
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
Black-Dotted Brownを見分けるには?
Black-Dotted 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。
Black-Dotted Brownの長さは何ですか?
1-2 cm
Black-Dotted Brownの翼開長は何ですか?
3-4 cm
Black-Dotted Brownの体重は何ですか?
0.0001-0.0003 kg
Black-Dotted Brownの寿命は何ですか?
0-1 年
Black-Dotted Brownのtop Speedは何ですか?
15 km/h
Black-Dotted Brownは何を食べますか?
Caterpillars primarily feed on the foliage of oak trees, while adult moths rely on tree sap, fermenting fruit, and occasionally nectar.
Black-Dotted Brownは通常どこに生息していますか?
Typically found in deciduous and mixed woodlands, oak-hickory forests, and scrublands across North America where its host trees are abundant.
スナップマップ
ズームインしてクラスターを分割し、このオブジェクトが撮影された場所を探索しましょう。
最近のスナップ
新しい観察が追加されると、ここに最近のスナップが表示されます。













