Feather-Legged Scoliid Wasp

dielis plumipes

The Feather-Legged Scoliid Wasp is an ecologically beneficial insect native to North America. Adults are frequently spotted buzzing between flowers, drinking nectar, and acting as important pollinators. However, beneath this peaceful nectar-sipping behavior lies a highly specialized lifestyle. Female wasps search sandy soils for subterranean scarab beetle larvae, particularly June beetles. Upon finding a grub, the female stings it to paralyze it, lays a single egg on its body, and leaves it. This ensures the emerging wasp larva has a fresh food source, making these wasps an organic pest control agent.

Lebensraum: Typically found in open, sunny habitats with sandy soils, such as dunes, fields, gardens, and pine barrens, where scarab beetle hosts are abundant.

Aussehen

This medium-to-large wasp typically measures between 1 and 3 centimeters in length, featuring a robust, hairy black body adorned with prominent yellow bands across its abdomen. The wings are translucent with a dark, smoky brownish tint. True to its name, the female possesses dense, brush-like black fringes of hair on her hind legs, which are used for digging through sandy soils. Males are generally smaller and slimmer, lacking the pronounced leg feathers and having longer antennae.

ReichAnimaliaStammArthropodaKlasseInsectaOrdnungHymenopteraFamilieScoliidaeGattungDielis

Feather-Legged Scoliid Wasp

Kategorie

Insekten

Seltenheit

Common

Gefahr

1/5 · Sehr gering

Snaps

Mach den ersten Snap!

Interessante Fakten

Despite their intimidating size and stingers, females are non-aggressive toward humans and will only sting if directly handled.

Scoliid wasps do not build nests; instead, they leave their eggs directly on paralyzed grubs deep in the soil where they find them.

The 'feathers' on the female's hind legs are not for show; they are vital tools for sweeping away sand while digging for beetle grubs.

Besondere Fähigkeiten

Females can detect the underground movements of scarab beetle larvae through sandy soil using specialized sensory receptors.

The dense, feather-like bristles on the hind legs of the female act as highly efficient shovels, allowing her to rapidly burrow into loose dirt.

The female delivers a precise sting to the motor centers of beetle grubs, rendering them permanently paralyzed but alive to feed her offspring.

Maße und Details

Länge: 1-3 cm
Flügelspannweite: 2-4 cm
Gewicht: 0.0001-0.0003 kg
Lebenserwartung: 1 Jahre
Top Speed: 15 km/h
Gelegegröße: 20-70
Brutzeit: 2-4 Tage

Ernährung und Fütterung

Adult wasps feed exclusively on floral nectar from various plants, while the developing larvae are carnivorous, consuming paralyzed scarab beetle grubs underground.

Altersunterschiede: Adults feed on flower nectar for energy, whereas larvae are strictly carnivorous parasitoids feeding on a single beetle host.

Hauptnahrung

Floral nectar
June beetle larvae
Scarab beetle grubs
Pollen

Nahrungssuche

Foraging

Ökologische Zusammenhänge

parasite

June Beetle

Phyllophaga anxia

The wasp larvae develop as external parasitoids on the grub of this beetle.

mutualism

Canada Goldenrod

Solidago canadensis

Adult wasps feed on nectar from the flowers, assisting in pollination.

Merkmale

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Sicherheit

Gefahr

1/5 · Sehr gering

Noch keine besonderen Sicherheitshinweise.

Häufig gestellte Fragen

Wie identifiziert man Feather-Legged Scoliid Wasp?

Der einfachste Weg, Feather-Legged Scoliid Wasp zu bestimmen, ist die Verwendung der Naturführer-App Snappit.

Was ist der/die/das länge von Feather-Legged Scoliid Wasp?

1-3 cm

Was ist der/die/das flügelspannweite von Feather-Legged Scoliid Wasp?

2-4 cm

Was ist der/die/das gewicht von Feather-Legged Scoliid Wasp?

0.0001-0.0003 kg

Was ist der/die/das lebenserwartung von Feather-Legged Scoliid Wasp?

1 Jahre

Was ist der/die/das top Speed von Feather-Legged Scoliid Wasp?

15 km/h

Was frisst Feather-Legged Scoliid Wasp?

Adult wasps feed exclusively on floral nectar from various plants, while the developing larvae are carnivorous, consuming paralyzed scarab beetle grubs underground.

Wo findet man Feather-Legged Scoliid Wasp normalerweise?

Typically found in open, sunny habitats with sandy soils, such as dunes, fields, gardens, and pine barrens, where scarab beetle hosts are abundant.