Sesame Leafroller
探検昆虫
Sesame Leafroller
antigastra catalaunalis
The Sesame Leafroller (Antigastra catalaunalis) is a small, highly active moth belonging to the Crambidae family. Best known for its relationship with sesame crops, this insect is both a marvel of adaptation and a significant challenge for farmers in tropical and subtropical regions. The species is highly migratory, occasionally traveling long distances from warmer climates into temperate parts of Europe. While small, its ecological impact on its host plants is profound. The larvae are clever engineers, constructing delicate silk shelters and rolling leaves to protect themselves from predators while they feed. Observing these tiny creatures reveals the intricate ways in which insects adapt to agricultural landscapes, utilizing human cultivation to expand their populations across the globe.
生息地: Typically found in agricultural fields, grasslands, and warm disturbed habitats where sesame or wild Scrophulariaceae plants are abundant.
外見
Adult Sesame Leafrollers are small moths with a wingspan of 1 to 2 cm. They feature pale yellow to light orange-brown forewings adorned with distinct reddish-brown veins and a darker wing margin. Their hindwings are lighter, semi-translucent, and fringed with fine hairs. When at rest, they hold their wings in a flat, triangular shape. The larvae are slender, greenish-yellow caterpillars, reaching about 1.5 cm in length, covered in small dark spots and sparse hairs that help them sense their immediate surroundings.
界Animalia門Arthropoda綱Insecta目Lepidoptera科Crambidae属Antigastra
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
Despite their tiny size, adult Sesame Leafrollers are strong flyers that migrate across the Mediterranean Sea from Africa to Europe.
Their feeding behavior can cause significant economic damage, sometimes destroying up to ninety percent of a sesame crop if left unchecked.
To stay safe while eating, the caterpillar ties leaves together with silk, creating a custom shelter that keeps it hidden from birds.
特殊能力
能力
Leaf-Rolling Shield
The larvae use silk threads to roll up or tie host plant leaves together, creating a private, protective shelter to feed in safety.
能力
Pod-Boring Survival
When leaves mature, larvae transition to boring directly into seed pods, shielding themselves from insecticides and predators.
能力
Sinking Escape Drop
When disturbed, the caterpillar wriggles rapidly backward and drops from the leaf, suspended by a silk lifeline to escape predators.
サイズと詳細
- 長さ
- 1-2 cm
- 翼開長
- 1-2 cm
- 体重
- 0.00001-0.00004 kg
- 寿命
- 0-1 年
- Top Speed
- 10 km/h
- 一度の産卵数
- 50-150
- 抱卵期間
- 2-4 日
- 渡りの距離
- 1200 km
食性と食事
Larvae feed voraciously on the leaves, flowers, shoots, and young pods of sesame and related plants, while adults drink nectar.
年齢による違い: Young larvae graze on leaf surfaces, while older larvae roll leaves and bore directly into stems and seed pods.
主な食物
- Sesame leaves
- Sesame seeds
- Snapdragon flowers
- Nectar
採餌方法
- Grazing
生態系とのつながり
host plant
Sesame
Sesamum indicum
The primary larval host plant, where caterpillars feed on leaves and bore into developing pods.
parasite
Braconid wasp
Bracon hebetor
A parasitoid wasp that attacks and lays eggs inside the caterpillars of the leafroller, helping to control its population.
host plant
Common Snapdragon
Antirrhinum majus
An alternative host plant where the leafroller larvae feed on leaves and flowers when sesame is unavailable.
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
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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
Sesame Leafrollerを見分けるには？
Sesame Leafroller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。
Sesame Leafrollerの長さは何ですか？
1-2 cm
Sesame Leafrollerの翼開長は何ですか？
1-2 cm
Sesame Leafrollerの体重は何ですか？
0.00001-0.00004 kg
Sesame Leafrollerの寿命は何ですか？
0-1 年
Sesame Leafrollerのtop Speedは何ですか？
10 km/h
Sesame Leafrollerは何を食べますか？
Larvae feed voraciously on the leaves, flowers, shoots, and young pods of sesame and related plants, while adults drink nectar.
Sesame Leafrollerは通常どこに生息していますか？
Typically found in agricultural fields, grasslands, and warm disturbed habitats where sesame or wild Scrophulariaceae plants are abundant.
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