Elymus-specialist
Guides
Helcystogramma hystricella
Lanceolate Helcystogramma Moth, Lanceolate Moth
A small gelechiid moth with a wingspan of 13–15 mm, distributed across the eastern and central United States. The species name references its larval host plant Elymus hystrix (formerly Hystrix patula). Larvae are specialized grass feeders that roll leaves for shelter and overwintering.