Lesser Maple Spanworm Moth
EntdeckenInsekten
Lesser Maple Spanworm Moth
macaria pustularia
The Lesser Maple Spanworm Moth (Macaria pustularia) is a charming and common Geometrid moth native to eastern North America. Named for its caterpillars' favorite food and their characteristic "looping" crawl, this delicate white moth is a frequent visitor to deciduous forests and suburban yards alike. During the summer, it plays an important role in the local ecosystem, serving as a vital food source for nesting birds and acting as a key indicator of forest health. Though small, its abundance makes it a staple of North American woodlands.
Lebensraum: Found primarily in deciduous and mixed forests, particularly where maple trees are abundant, as well as in wooded suburban parks and gardens.
Aussehen
Adults are small, delicate moths with a wingspan of 2 to 3 cm. Their wings are mostly pure, chalky white to light cream, decorated with three distinct orange-yellow or light brownish transverse lines crossing the forewings. A notable diagnostic feature is a tiny, bright orange or brownish spot or smudge located near the middle of the forewing's outer margin. When resting, they hold their wings flat against the surface, showcasing their triangular profile and hiding their light-colored legs beneath.
ReichAnimaliaStammArthropodaKlasseInsectaOrdnungLepidopteraFamilieGeometridaeGattungMacaria
Kategorie
InsektenSeltenheit
Common
Gefahr
1/5 · Sehr gering
Snaps
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Interessante Fakten
Despite their small size, their caterpillars can occasionally experience massive population booms, temporarily defoliating small stands of maples.
The common name 'spanworm' comes from the caterpillar's unique walking pattern, which makes it look as though it is measuring the earth inch by inch.
They are highly attracted to ultraviolet light sources, making them a common subject for backyard moth-watching setups.
Besondere Fähigkeiten
Fähigkeit
Looping Locomotion
The caterpillar lacks middle prolegs, forcing it to draw its rear up to its front legs to form a loop before extending forward, a highly efficient crawling technique.
Fähigkeit
Bark Mimicry
When resting on birch or light-colored tree trunks, the flat, white-and-orange wings of the adult moth blend seamlessly with the bark patterns to avoid detection.
Fähigkeit
Selective Feeding
Caterpillars selectively feed on maple leaves with lower tannin levels, maximizing nutrient absorption while minimizing defensive chemical intake.
Maße und Details
- Länge
- 1-2 cm
- Flügelspannweite
- 2-3 cm
- Gewicht
- 0.0001-0.0003 kg
- Gelegegröße
- 50-150
- Brutzeit
- 5-14 Tage
Ernährung und Fütterung
Caterpillars feed on the foliage of deciduous trees, specifically maples, while adult moths rarely feed, occasionally sipping nectar.
Altersunterschiede: Caterpillars feed continuously on leaves, whereas adult moths have reduced mouthparts and feed minimally or not at all.
Hauptnahrung
- Red Maple leaves
- Sugar Maple leaves
- Silver Maple leaves
- Boxelder leaves
Nahrungssuche
- Grazing
Ökologische Zusammenhänge
host plant
Red Maple
Acer rubrum
The primary larval host tree where females lay eggs and caterpillars feed on foliage.
eaten by
Tufted Titmouse
Baeolophus bicolor
Birds heavily prey upon the caterpillars and resting adult moths during the summer breeding season.
parasite
Braconid Wasp
Cotesia congregationis
A parasitoid wasp that lays eggs inside the caterpillars, controlling their population.
Merkmale
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Sicherheit
Gefahr
1/5 · Sehr gering
Noch keine besonderen Sicherheitshinweise.
Häufig gestellte Fragen
Wie identifiziert man Lesser Maple Spanworm Moth?
Der einfachste Weg, Lesser Maple Spanworm Moth zu bestimmen, ist die Verwendung der Naturführer-App Snappit.
Was ist der/die/das länge von Lesser Maple Spanworm Moth?
1-2 cm
Was ist der/die/das flügelspannweite von Lesser Maple Spanworm Moth?
2-3 cm
Was ist der/die/das gewicht von Lesser Maple Spanworm Moth?
0.0001-0.0003 kg
Was frisst Lesser Maple Spanworm Moth?
Caterpillars feed on the foliage of deciduous trees, specifically maples, while adult moths rarely feed, occasionally sipping nectar.
Wo findet man Lesser Maple Spanworm Moth normalerweise?
Found primarily in deciduous and mixed forests, particularly where maple trees are abundant, as well as in wooded suburban parks and gardens.
Wie jagt Lesser Maple Spanworm Moth?
Grazing
Was ist der/die/das gelegegröße von Lesser Maple Spanworm Moth?
50-150
Snap-Karte
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Neueste Snaps
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Wo zu sehen
Zoo16 Beobachtungen12 Arten
Michigan, US
Binder Park Zoo
Hier kann man sehen Götterbaum-Gespinstmotte und Lesser Maple Spanworm Moth.
Führer anzeigen →
Park30 Beobachtungen12 Arten
Connecticut, US
New Milford Center Historic District
Hier kann man sehen Ungleiche Seidenbiene und Asiatischer Marienkäfer.
Führer anzeigen →
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