Longan Semi-looper
Common NameLongan Semi-looper
Scientific NamePericyma cruegeri
FamilyErebidae
SubfamilyErebinae
Wingspan (mm)40
Wing Patterncryptic
Primary Colorsbrown, light brown, dark brown
HabitatTropical and subtropical orchards, forests, agricultural areas
Geographic RangeSoutheast Asia (e.g., China, Thailand, Malaysia, Indonesia, Philippines)
Host PlantsDimocarpus longan
Flight PeriodYear-round (multiple generations in tropical climates)
Flight Stylefluttering
Conservation Statusleast-concern
Lifecycle NotesThe larvae are 'semi-loopers,' characterized by their looping movement as they feed on the leaves of host plants like longan. They undergo complete metamorphosis from egg to larva, pupa, and adult moth.
Identification TipsKey features include the mottled brown wings with a slightly irregular outer margin, the prominent dark eyes, and the long, upturned labial palps. Its association with longan trees is a strong indicator.
Description
A medium-sized moth with mottled light to dark brown wings, exhibiting a cryptic pattern of faint lines and spots. Its body is robust and hairy, with large dark eyes and prominent, upturned labial palps.
