Western Grapeleaf Skeletonizer Moth
Common NameWestern Grapeleaf Skeletonizer Moth
Scientific NameHarrisina brillians
FamilyZygaenidae
SubfamilyProcridinae
Wingspan (mm)28
Wing Patternsolid
Primary Colorsblue-black, orange
HabitatVineyards, gardens, riparian areas, and other habitats where host plants are present
Geographic RangeSouthwestern United States (California, Arizona, New Mexico, Texas) and northern Mexico
Host Plantsgrape, Virginia creeper
Flight PeriodMay to October (multiple generations)
Flight Stylefluttering
Conservation Statusleast-concern
Lifecycle NotesLarvae are yellow with black bands and spiny tufts, feeding gregariously on the underside of leaves, skeletonizing them. They pupate in silken cocoons, often in leaf litter or crevices.
Identification TipsDistinguished by its metallic blue-black body and wings contrasting with a vivid orange-red collar. Larvae are easily identified by their yellow and black banded, spiny appearance, feeding in groups on grape leaves.
Description
A small, day-flying moth with iridescent blue-black wings and body, prominently featuring a bright orange or red collar behind its head.
