The Wing Atlas
Psilalcis breta

Psilalcis breta

Scientific NamePsilalcis breta
FamilyGeometridae
SubfamilyEnnominae
Wingspan (mm)38
Wing Patterncryptic
Primary Colorsgrey, brown
HabitatForests, woodlands
Geographic RangeSoutheast Asia (Borneo, Sumatra, Peninsular Malaysia)
Flight Stylefluttering
Conservation Statusleast-concern
Lifecycle NotesLike all moths, it undergoes complete metamorphosis: egg, larva (caterpillar), pupa, and adult. The larvae are likely 'loopers' or 'inchworms', characteristic of the Geometridae family, feeding on woody plants.
Identification TipsKey features include its cryptic grey-brown mottled pattern, broad wings, and the typical geometrid resting posture with wings spread flat. Specific identification often requires examination of subtle wing markings or genitalia.

Description

This is a medium-sized moth with broad, cryptically patterned wings. Its coloration is a mottled mix of grey, brown, and yellowish speckles, allowing it to blend seamlessly with bark or lichen-covered surfaces.

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