Oslar's Imperial Moth
Common NameOslar's Imperial Moth
Scientific NameEacles oslari
FamilySaturniidae
SubfamilyCeratocampinae
Wingspan (mm)90
Wing Patternspotted
Primary Colorsyellow, reddish-brown
HabitatArid woodlands, oak woodlands, desert scrub
Geographic RangeSouthwestern United States (Arizona, New Mexico, western Texas) and northern Mexico
Host Plantsoak
Flight PeriodJuly to August
Conservation Statusleast-concern
Lifecycle NotesLarvae are spiny and feed primarily on oak leaves, pupating in a chamber underground. Adults typically emerge after summer rains.
Identification TipsDistinguished by its unique combination of bright yellow and deep reddish-brown coloration, especially the broad, wavy reddish-brown bands and the distinct discal spots on all wings. The pattern is variable but always features these two dominant colors.
Description
A large, robust moth with bright yellow wings heavily marked with irregular reddish-brown bands, spots, and mottling, featuring a prominent discal spot on each wing.
