Psilalcis isombra
Common NamePsilalcis isombra
Scientific NamePsilalcis isombra
FamilyGeometridae
SubfamilyEnnominae
Wingspan (mm)32
Wing Patterncryptic
Primary Colorsgrey, brown, black
HabitatTropical forests
Geographic RangeSoutheast Asia (e.g., Borneo, Sumatra, Peninsular Malaysia)
Flight PeriodYear-round (multiple broods in tropical climates)
Flight Stylefluttering
Conservation Statusleast-concern
Lifecycle NotesLike other Geometridae, it undergoes complete metamorphosis. Larvae are typically 'looper' caterpillars, often camouflaged to resemble twigs, feeding on various plants before pupating.
Identification TipsDistinguished by its intricate, bark-like camouflage pattern of grey, brown, and black speckles, and its typical Geometrid resting posture with wings spread flat.
Description
A medium-sized moth with a highly cryptic wing pattern, resembling lichen or tree bark, featuring mottled shades of grey, brown, and black speckles across its wings.
