Red-humped Oakworm Moth
Common NameRed-humped Oakworm Moth
Scientific NameSymmerista canicosta
FamilyNotodontidae
SubfamilyNotodontinae
Wingspan (mm)35
Primary Colorsgray, brown, cream
HabitatDeciduous forests, woodlands, suburban areas
Geographic RangeEastern North America (southern Canada to Florida, west to Texas)
Host Plantsoak, maple, birch, beech, elm
Flight PeriodMay to September
Flight Stylefluttering
Conservation Statusleast-concern
Lifecycle NotesLarvae are distinctive, often brightly colored with a prominent red hump on the abdomen, feeding gregariously on the leaves of host trees. Pupation occurs in the soil.
Identification TipsLook for the mottled gray and brown forewings with wavy lines and a noticeable pale patch near the outer margin. The moth's resting posture, with a somewhat raised thorax, is also a key characteristic.
Description
This moth exhibits cryptic coloration with mottled gray and brown forewings, featuring intricate wavy dark lines and a distinct pale, often yellowish, patch near the tornus. Its thorax is also mottled and appears somewhat raised or 'humped' when at rest.
