
Otter Spiramater Moth
Common NameOtter Spiramater Moth
Scientific NameSpiramater grandis
FamilyErebidae
SubfamilyErebinae
Wingspan (mm)52.5
Primary Colorsdark brown, grey, black, orange, yellow
HabitatDeciduous and mixed forests
Geographic RangeEastern North America (from southern Canada to Florida, west to Texas and Kansas)
Host Plantsoak, maple, birch, willow
Flight PeriodMay to September
Conservation Statusleast-concern
Lifecycle NotesLarvae are caterpillars that feed on various deciduous trees and shrubs, pupating before emerging as nocturnal adults.
Identification TipsKey features include the mottled dark forewings with distinct yellowish-orange outlined reniform and orbicular spots, and its overall cryptic coloration.
Description
This medium-sized moth has mottled dark brown and grey forewings, accented with black markings and prominent yellowish-orange outlined reniform and orbicular spots.




