Couchgrass Webworm
Common NameCouchgrass Webworm
Scientific NameCrambus perlellus
FamilyCrambidae
SubfamilyCrambinae
Wingspan (mm)25
Wing Patterncryptic
Primary Colorspale yellow, light brown, straw
HabitatGrasslands, meadows, lawns, pastures, agricultural fields
Geographic RangeHolarctic (Europe, Asia, North America)
Host Plantscouchgrass, fescues, ryegrass, bluegrass
Flight PeriodJune to September
Flight Styledarting
Conservation Statusleast-concern
Lifecycle NotesLarvae are subterranean, feeding on the roots and stems of various grasses, often constructing silken tunnels or webs in the soil. They overwinter as larvae.
Identification TipsLook for its overall pale, often pearly or straw-like coloration, tightly folded wings that appear almost cylindrical, and prominent labial palps forming a distinct 'snout'.
Description
A small, slender moth with a pointed snout, featuring pale yellow to light brown wings that are tightly folded, giving it a streamlined and cryptic appearance.
