Ilia And Umber Underwings

catocala ilia-complex

The Ilia Underwing and its close relatives in the umber underwing complex represent some of the most fascinating examples of evolutionary camouflage in the insect world. By day, these medium-to-large moths rest quietly on the trunks of oak trees, perfectly blending into the rough bark with their highly mottled, cryptic grayish-brown forewings. However, when disturbed or in flight, they flash their strikingly vibrant orange-and-black banded hindwings. This sudden burst of color acts as a startle display to confuse potential predators, a defense mechanism known as deimatic behavior. Found throughout deciduous forests across North America, these moths are a favorite among nocturnal insect enthusiasts who marvel at their dual-natured beauty.

Lebensraum: Found in deciduous and mixed-wood forests, specifically in close association with various species of oak trees.

Aussehen

The Ilia Underwing moth typically has a wingspan ranging from 7 to 9 cm. Its forewings are incredibly intricate, displaying a mottled mix of charcoal gray, light brown, white, and black that perfectly mimics lichen-covered oak bark, often featuring a prominent white spot near the center. In contrast, the hidden hindwings are a brilliant, fiery orange or deep yellow, decorated with a thick, wavy black median band and a broad black outer margin. The body is stout and covered in fine, hair-like gray scales, allowing it to lay incredibly flat against flat wooden surfaces.

ReichAnimaliaStammArthropodaKlasseInsectaOrdnungLepidopteraFamilieErebidaeGattungCatocala

Ilia And Umber Underwings

Kategorie

Insekten

Seltenheit

Common

Gefahr

1/5 · Sehr gering

Snaps

Mach den ersten Snap!

Interessante Fakten

The genus name Catocala translates roughly to beautiful behind or beautiful below, referring to their brilliantly colored hindwings hidden beneath drab forewings.

They rest with their heads pointing downwards on tree trunks, which helps them blend into the natural vertical patterns of the bark.

Underwing moths have been a favorite of lepidopterists for centuries, inspiring a rich subculture of baiting them with sweet, fermented mixtures at night.

Besondere Fähigkeiten

Flashes its bright orange and black hindwings when threatened to startle predators and mask its escape.

Possesses forewings that expertly mimic tree bark and lichen, rendering the moth nearly invisible while resting during the day.

Equipped with tympanic organs on its metathorax that can detect the echolocation calls of hunting bats, allowing the moth to perform evasive maneuvers.

Maße und Details

Länge: 3+ cm
Flügelspannweite: 7+ cm
Gewicht: 0.001+ kg
Lebenserwartung: 1+ Jahre
Top Speed: 15 km/h
Gelegegröße: 100+
Brutzeit: 200+ Tage

Ernährung und Fütterung

Caterpillars feed exclusively on the foliage of oaks and occasionally other deciduous trees, while adult moths feed on fermenting tree sap, rotting fruit, and flower nectar.

Hauptnahrung

Oak leaves
Fermenting tree sap
Overripe fruit
Flower nectar

Nahrungssuche

Foraging

Ökologische Zusammenhänge

host plant

White Oak

Quercus alba

The caterpillar of this moth species uses the leaves of this tree as its primary host plant and food source.

eaten by

Eastern Screech-Owl

Megascops asio

This nocturnal bird actively hunts adult underwing moths during the night.

eaten by

Black-capped Chickadee

Poecile atricapillus

Feeds on the caterpillars of the underwing moth in oak canopies during late spring.

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Auch bekannt als

Catocala iliaIlia Underwing

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Sicherheit

Gefahr

1/5 · Sehr gering

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Häufig gestellte Fragen

Wie identifiziert man Ilia And Umber Underwings?

Der einfachste Weg, Ilia And Umber Underwings zu bestimmen, ist die Verwendung der Naturführer-App Snappit.

Was ist der/die/das länge von Ilia And Umber Underwings?

3+ cm

Was ist der/die/das flügelspannweite von Ilia And Umber Underwings?

7+ cm

Was ist der/die/das gewicht von Ilia And Umber Underwings?

0.001+ kg

Was ist der/die/das lebenserwartung von Ilia And Umber Underwings?

1+ Jahre

Was ist der/die/das top Speed von Ilia And Umber Underwings?

15 km/h

Was frisst Ilia And Umber Underwings?

Caterpillars feed exclusively on the foliage of oaks and occasionally other deciduous trees, while adult moths feed on fermenting tree sap, rotting fruit, and flower nectar.

Wo findet man Ilia And Umber Underwings normalerweise?

Found in deciduous and mixed-wood forests, specifically in close association with various species of oak trees.