Bluegrass Webworm Moth
Common NameBluegrass Webworm Moth
Scientific NameParapediasia teterrella
FamilyCrambidae
SubfamilyCrambinae
Wingspan (mm)18
Wing Patternstriped
Primary Colorsbeige, light brown, dark brown
HabitatLawns, pastures, meadows, grassy areas
Geographic RangeNorth America (widespread across the United States and southern Canada)
Host Plantsbluegrass, fescue, ryegrass, bentgrass, other turfgrasses
Flight PeriodMay to October (multiple broods)
Flight Stylefluttering
Conservation Statusleast-concern
Lifecycle NotesLarvae, known as webworms, feed on the roots and crowns of various grasses, often creating silken tunnels. They overwinter as larvae and pupate in the soil, with multiple generations occurring annually.
Identification TipsLook for the distinctive pointed snout (labial palps), the slender body, and the cryptic brown streaked forewings. It often rests with its wings folded tightly against its body, appearing very elongated.
Description
A small, slender moth with a pointed snout-like head formed by prominent labial palps. Its forewings are typically light brown to beige with darker longitudinal streaks and a subtle metallic sheen near the outer margin.
