
Constricted Twirler
Common NameConstricted Twirler
Scientific NameGnorimoschema gallaeasterella
FamilyGelechiidae
SubfamilyGelechiinae
Wingspan (mm)12
Primary Colorsbrown, tan, cream
HabitatMeadows, fields, roadsides, disturbed areas where asters grow
Geographic RangeEastern North America
Host PlantsSymphyotrichum novae-angliae, Symphyotrichum spp.
Flight PeriodMay to October
Flight Styledarting
Conservation Statusleast-concern
Lifecycle NotesThe larvae are gall-formers, boring into the stems of various aster species (especially New England Aster) and inducing the formation of distinctive spindle-shaped stem galls, where they complete their development and pupate.
Identification TipsKey features include its small size, mottled brown and cream forewing pattern, and its association with aster plants, particularly the spindle-shaped stem galls formed by its larvae.
Description
A small, cryptically colored moth with mottled brown, tan, and cream forewings that often appear somewhat constricted or broken up, providing excellent camouflage against bark or dry vegetation.





