The Wing Atlas
Dusky Pearl

Dusky Pearl

Common NameDusky Pearl
Scientific NameEctropis crepuscularia
FamilyGeometridae
SubfamilyEnnominae
Wingspan (mm)38
Wing Patterncryptic
Primary Colorsgrey, brown, black
HabitatWoodlands, forests, gardens, parks
Geographic RangeEurope, Asia, North America
Host Plantsoak, birch, willow, alder, spruce, pine, larch
Flight PeriodMarch to May, July to September
Flight Stylefluttering
Conservation Statusleast-concern
Lifecycle NotesLarvae are 'looper' caterpillars that mimic twigs. They pupate in the soil, and the species typically has two generations per year.
Identification TipsIdentified by its cryptic grey-brown coloration and mottled appearance, often with a darker central band and a small, dark discal spot on the forewings. Rests with wings held flat, resembling a piece of bark or a twig.

Description

A medium-sized moth with mottled grey and brown wings, providing excellent camouflage against tree bark or twigs, often with faint cross-lines and a small discal spot.

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