Skillet Clubtail

gomphurus ventricosus

The Skillet Clubtail (Gomphurus ventricosus) is a striking and highly specialized dragonfly native to the clean, flowing rivers of eastern North America. What immediately sets this insect apart is its remarkable anatomy: the end of its abdomen features an extraordinarily wide, flat expansion that resembles a skillet, which serves as a stabilizing rudder during its acrobatic flights. It belongs to the clubtail family, known for their bright eyes that do not meet at the top of the head. Finding a Skillet Clubtail is always a treat for nature enthusiasts, as they are highly sensitive indicators of clean water. These nimble aerial predators spend their days patrolling riverbanks, hunting for flying insects, and resting on sunny shoreline rocks or leaves. Because they require pristine, silt-laden flowing waters for their aquatic larval phase, their presence signals a healthy, unpolluted river ecosystem.

Lebensraum: Found near clean, medium-to-large flowing rivers with silt, sand, or gravel substrates, often resting on sunny rocks or riverside foliage.

Aussehen

The Skillet Clubtail is a medium-sized dragonfly, measuring between 4 and 6 centimeters in length. Its most defining characteristic is the dramatically flared abdomen tip, which is nearly circular, dark brown to black, and often marked with small yellow spots on the sides. The thorax is patterned with bright yellow-green and black stripes, while its clear wings stretch to a span of approximately 5 to 7 centimeters. Unlike many other dragonfly families, its large, green compound eyes are distinctly separated on the top of its head.

ReichAnimaliaStammArthropodaKlasseInsectaOrdnungOdonataFamilieGomphidaeGattungGomphurus

Skillet Clubtail

Kategorie

Insekten

Seltenheit

Common

Gefahr

1/5 · Sehr gering

Snaps

Mach den ersten Snap!

Interessante Fakten

Because they require exceptionally clean, flowing water to breed, the presence of Skillet Clubtails is used by ecologists as a biological indicator of high water quality.

The dramatic, skillet-shaped widening at the end of the abdomen is much more pronounced in males than in females, serving as a visual signal during territorial flights.

They spend the vast majority of their lives—up to four years—as aquatic nymphs crawling along the river bottom, while their adult aerial life lasts only a few short weeks.

Besondere Fähigkeiten

Uses its uniquely widened, flat abdominal club as a physical rudder to make sharp, high-speed banking turns while chasing prey in mid-air.

Possesses massive, widely separated compound eyes that allow it to track fast-moving prey and detect incoming predators from almost any angle.

As an aquatic nymph, it burrows into river sediment and uses a specialized, extendable lower lip to capture passing prey with lightning speed.

Maße und Details

Länge: 4+ cm
Flügelspannweite: 5+ cm
Gewicht: 0.0001+ kg
Lebenserwartung: 2+ Jahre
Top Speed: 35 km/h
Gelegegröße: 100+
Brutzeit: 10+ Tage

Ernährung und Fütterung

Opportunistic aerial predators as adults that capture flying insects mid-air, while their aquatic nymphs ambush small invertebrates in riverbed sediment.

Altersunterschiede: Aquatic nymphs feed on bottom-dwelling invertebrates and tiny fish, whereas terrestrial adults hunt flying insects in the air.

Hauptnahrung

Mosquitoes
Midges
Mayflies
Small moths
Blackflies

Nahrungssuche

Pursuit

Ökologische Zusammenhänge

eaten by

Cedar Waxwing

Bombycilla cedrorum

Adult clubtails are frequently preyed upon by insectivorous birds nesting along river corridors.

eaten by

Smallmouth Bass

Micropterus dolomieu

The aquatic larvae (nymphs) live in river gravel and are a common food source for benthic-feeding river fish.

competitor

Ebony Jewelwing

Calopteryx maculata

Both species patrol the same riverbank zones, competing for aerial insects like midges and blackflies.

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Sicherheit

Gefahr

1/5 · Sehr gering

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Häufig gestellte Fragen

Wie identifiziert man Skillet Clubtail?

Der einfachste Weg, Skillet Clubtail zu bestimmen, ist die Verwendung der Naturführer-App Snappit.

Was ist der/die/das länge von Skillet Clubtail?

4+ cm

Was ist der/die/das flügelspannweite von Skillet Clubtail?

5+ cm

Was ist der/die/das gewicht von Skillet Clubtail?

0.0001+ kg

Was ist der/die/das lebenserwartung von Skillet Clubtail?

2+ Jahre

Was ist der/die/das top Speed von Skillet Clubtail?

35 km/h

Was frisst Skillet Clubtail?

Opportunistic aerial predators as adults that capture flying insects mid-air, while their aquatic nymphs ambush small invertebrates in riverbed sediment.

Wo findet man Skillet Clubtail normalerweise?

Found near clean, medium-to-large flowing rivers with silt, sand, or gravel substrates, often resting on sunny rocks or riverside foliage.