
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.




