Hawaiian Beet Webworm Moth

spoladea recurvalis

The Hawaiian Beet Webworm Moth (Spoladea recurvalis) is a widely distributed and visually striking species belonging to the crambid snout moth family. Despite its highly specific common name, this moth is genuinely cosmopolitan, occurring across tropical and subtropical regions worldwide, from Hawaii to Africa, Asia, and the Americas. The species is most renowned for its larval stage, known as the beet webworm, which is a notorious agricultural pest that can defoliate crops like spinach, beets, and amaranth. These industrious caterpillars construct delicate silk webs on the undersides of host leaves, creating tiny sanctuaries from which they feed. While gardeners and farmers might view them as a nuisance, the adult moths are beautiful, delicate creatures. Their bold, contrasting patterns of chocolate brown and crisp white make them easy to identify, adding a touch of elegance to evening gardens as they flutter erratically around porch lights and nectar-rich flowers.

生息地: Typically found in agricultural fields, vegetable gardens, and weedy grasslands in tropical and subtropical regions where their host plants are abundant.

外見

This small but eye-catching moth features a wingspan of roughly 20 to 25 millimeters. Its wings are predominantly rich chocolate brown or blackish-brown, bisected by striking, broad, translucent white bands that run continuously across both the forewings and hindwings when the wings are spread. Additionally, the outer edges of the wings are trimmed with a delicate white fringe. The moth's slender, elongated abdomen is dark but clearly marked with thin, white transverse stripes. When at rest, it typically holds its wings out flat in a distinctive triangular or delta-wing posture, showcasing its vivid geometric patterns.

界Animalia門Arthropoda綱Insecta目Lepidoptera科Crambidae属Spoladea

Hawaiian Beet Webworm Moth

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 being called the Hawaiian Beet Webworm, this moth is completely cosmopolitan and can be found on nearly every continent.

In ideal tropical conditions, an entire generation of these moths can develop from egg to reproductive adult in less than a month.

The caterpillars are known as webworms because they spin tiny, silken shelters on the undersides of leaves to hide from predators while they eat.

When disturbed, the adult moths take flight in a very erratic, zigzagging pattern before quickly diving back into the vegetation to hide.

特殊能力

Larvae produce fine silk threads to fold or tie leaves together, creating a protective webbing shelter where they can feed safely hidden from predators.

Under optimal warm temperatures, they are capable of completing their entire life cycle from egg to adult in just 30 days, enabling rapid population booms.

When disturbed during the day, adult moths take off in an erratic, zigzagging flight pattern before quickly diving back under foliage to camouflage themselves.

サイズと詳細

長さ: 1-2 cm
翼開長: 2-3 cm
体重: 0.0001-0.0003 kg
寿命: 0-1 年
一度の産卵数: 100-200
抱卵期間: 3-5 日

食性と食事

Larvae are voracious leaf-chewing herbivores that target specific plant families, while adult moths feed solely on flower nectar.

年齢による違い: Larvae consume solid plant tissue such as leaves and stems, whereas adults possess a proboscis adapted for drinking liquid nectar.

主な食物

Beets
Spinach
Amaranth
Pigweed
Flower nectar

採餌方法

Foraging

生態系とのつながり

host plant

Sugar Beet

Beta vulgaris

Larvae feed extensively on the leaves, making it a primary food source for development.

host plant

Redroot Pigweed

Amaranthus retroflexus

A common agricultural weed that serves as a wild host for egg-laying and larval feeding.

eaten by

Mexican Free-tailed Bat

Tadarida brasiliensis

Hunted by aerial insectivores while the moths fly in search of mates and host plants at night.

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

Hawaiian Beet Webworm Mothを見分けるには？

Hawaiian Beet Webworm 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。

Hawaiian Beet Webworm Mothの長さは何ですか？

1-2 cm

Hawaiian Beet Webworm Mothの翼開長は何ですか？

2-3 cm

Hawaiian Beet Webworm Mothの体重は何ですか？

0.0001-0.0003 kg

Hawaiian Beet Webworm Mothの寿命は何ですか？

0-1 年

Hawaiian Beet Webworm Mothは何を食べますか？

Larvae are voracious leaf-chewing herbivores that target specific plant families, while adult moths feed solely on flower nectar.

Hawaiian Beet Webworm Mothは通常どこに生息していますか？

Typically found in agricultural fields, vegetable gardens, and weedy grasslands in tropical and subtropical regions where their host plants are abundant.

Hawaiian Beet Webworm Mothはどのように狩りをしますか？

Foraging