Spangled Skimmer

libellula cyanea

The Spangled Skimmer (Libellula cyanea) is a striking dragonfly species native to eastern and central North America. These agile aerial predators are a common sight around freshwater habitats, often captivating observers with their brilliant metallic colors and swift, acrobatic flight. They play a crucial ecological role as effective controllers of insect populations, particularly mosquitoes and flies, contributing significantly to the health of wetland ecosystems. Their life cycle, from aquatic nymph to iridescent adult, showcases a fascinating metamorphosis and adaptation to both aquatic and terrestrial environments, making them a prime subject for nature enthusiasts and a vital component of their native habitats.

生息地: Spangled Skimmers are typically found near still or slow-moving freshwater bodies such as ponds, lakes, marshes, and slow streams, preferring habitats with abundant emergent vegetation for perching and hunting.

外見

The Spangled Skimmer is a medium-sized dragonfly, typically measuring between 4.5 to 5.5 centimeters in length, with a wingspan of about 7 to 8 centimeters. Males are particularly iridescent, sporting a brilliant, metallic blue or bluish-green body that appears 'spangled' due to fine, light speckling, especially on the abdomen. Their wings are clear, often with a subtle amber tint near the base and a dark stigma at the leading edge of each wing. Females and immature males typically have a brownish body with yellow stripes, lacking the metallic blue sheen until maturity, but still possess the clear wings and distinct dark stigmas.

界Animalia門Arthropoda綱Insecta目Odonata科Libellulidae属Libellula

Spangled Skimmer

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

Adult dragonflies, including the Spangled Skimmer, are highly beneficial insects as they consume thousands of pest insects like mosquitoes and gnats daily.

Dragonfly nymphs (larvae) can live underwater for several months to several years, undergoing multiple molts before emerging as adults.

The Spangled Skimmer's large compound eyes, each containing thousands of individual lenses, allow it to detect movement from almost any angle.

Unlike many insects, dragonflies can fly each of their four wings independently, giving them incredible control and maneuverability in the air.

特殊能力

Spangled Skimmers are highly skilled aerial hunters, capable of capturing flying insects mid-flight with exceptional speed and agility. Their large, multifaceted eyes provide a nearly 360-degree field of vision, crucial for spotting prey and avoiding predators.

Male Spangled Skimmers are highly territorial, actively defending prime breeding and foraging areas from rival males. They engage in complex aerial chases and displays to assert dominance and secure mating opportunities.

Dragonflies possess the remarkable ability to fly forward, backward, sideways, and hover. This allows the Spangled Skimmer to maneuver expertly in tight spaces, evade predators, and efficiently track elusive prey.

サイズと詳細

長さ: 4-5 cm
翼開長: 7-8 cm
体重: 0.001-0.003 kg
寿命: 0-1 年
Top Speed: 45 km/h
一度の産卵数: 500-2000

食性と食事

As both nymphs and adults, Spangled Skimmers are voracious predators, consuming a wide range of smaller insects. Adults are aerial hunters, while nymphs prey on aquatic invertebrates.

年齢による違い: Nymphs (larvae) are aquatic predators, feeding on mosquito larvae, tadpoles, small fish, and other aquatic invertebrates. Adults are aerial hunters, primarily consuming flying insects.

主な食物

Mosquitoes
Midges
Flies
Smaller moths
Butterflies
Damselflies

採餌方法

Pursuit, Aerial Ambush

生態系とのつながり

competitor

Common Green Darner

Anax junius

Competition for resources and territory

hunts

Mosquitoes (various species)

Culicidae family

Primary prey for adult skimmers

eaten by

Green Frog

Lithobates clamitans

Predator of adult dragonflies

eaten by

Bluegill

Lepomis macrochirus

Predator of dragonfly nymphs

特徴

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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

Spangled Skimmerを見分けるには？

Spangled Skimmer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。

Spangled Skimmerの長さは何ですか？

4-5 cm

Spangled Skimmerの翼開長は何ですか？

7-8 cm

Spangled Skimmerの体重は何ですか？

0.001-0.003 kg

Spangled Skimmerの寿命は何ですか？

0-1 年

Spangled Skimmerのtop Speedは何ですか？

45 km/h

Spangled Skimmerは何を食べますか？

As both nymphs and adults, Spangled Skimmers are voracious predators, consuming a wide range of smaller insects. Adults are aerial hunters, while nymphs prey on aquatic invertebrates.

Spangled Skimmerは通常どこに生息していますか？

Spangled Skimmers are typically found near still or slow-moving freshwater bodies such as ponds, lakes, marshes, and slow streams, preferring habitats with abundant emergent vegetation for perching and hunting.