Carpet-grass Webworm Moth
Common NameCarpet-grass Webworm Moth
Scientific NameCrambus caliginosellus
FamilyCrambidae
SubfamilyCrambinae
Wingspan (mm)23
Wing Patternstriped
Primary Colorsbrown, white, black
HabitatGrasslands, lawns, agricultural fields, open grassy areas
Geographic RangeEastern North America, from southern Canada to Florida and west to Texas
Host Plantscarpet grass, corn, wheat, oats, rye, timothy, bluegrass
Flight PeriodMay to October (multiple broods)
Flight Styledarting
Conservation Statusleast-concern
Lifecycle NotesLarvae are known as webworms, feeding on the roots and lower stems of various grasses, often constructing silken tunnels or webs in the soil or thatch layer. Pupation occurs in the soil.
Identification TipsLook for the distinctive pale longitudinal stripe on the forewing, which is often bordered by darker brown. The moth's slender profile when at rest, with wings tightly folded, is also a key characteristic.
Description
A small, slender moth with brownish forewings featuring a prominent, broad white or pale longitudinal stripe running from the base to near the apex, often bordered by darker streaks. It typically rests with its wings folded tightly against its body.
