Rusty Speranza Moth
Common NameRusty Speranza Moth
Scientific NameSperanza pustularia
FamilyGeometridae
SubfamilyEnnominae
Wingspan (mm)22.5
Primary Colorstan, brown, yellowish-brown
HabitatDeciduous forests, woodlands, suburban areas, and gardens where host plants are present.
Geographic RangeEastern North America, from southeastern Canada south to Florida and west to Texas.
Host PlantsMaple (Acer spp.), Oak (Quercus spp.), Birch (Betula spp.), Willow (Salix spp.)
Flight PeriodMay to September (multiple broods)
Conservation Statusleast-concern
Lifecycle NotesLarvae are known as 'spanworms' or 'inchworms' and feed on the leaves of various deciduous trees. Pupation occurs in the soil or leaf litter, with multiple generations per year.
Identification TipsKey features include the yellowish-tan ground color with irregular, wavy dark brown bands and mottling across the wings, and its relatively small size. The typical geometrid resting posture with wings spread flat is also characteristic.
Description
A small moth with yellowish-tan to light brown wings, mottled with irregular dark brown wavy lines and patches, often featuring a small dark discal spot on the forewing.
