The Wing Atlas
Red-patched Emerald

Red-patched Emerald

Common NameRed-patched Emerald
Scientific NameNemoria arizonaria
FamilyGeometridae
SubfamilyGeometrinae
Wingspan (mm)25
Wing Patternsolid
Primary Colorsgreen, reddish-brown, dark brown
HabitatWoodlands, forests, and areas with oak trees
Geographic RangeSouthwestern North America, including Arizona, New Mexico, Texas, and parts of Mexico
Host Plantsoak (Quercus spp.)
Flight PeriodApril to October (multiple broods)
Flight Stylefluttering
Conservation Statusleast-concern
Lifecycle NotesLarvae are 'inchworms' or 'loopers' that feed on oak leaves and are known for their twig-mimicking camouflage. They undergo complete metamorphosis, pupating before emerging as adult moths.
Identification TipsLook for the bright green wings with the characteristic broad reddish-brown fringe along the margins. The faint white crosslines and the dark brown abdominal patch are also key distinguishing features.

Description

This moth features vibrant green wings with faint white postmedial and antemedial lines, bordered by a distinctive broad reddish-brown fringe. A prominent dark brown patch is visible on its abdomen.

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