Sod Webworm Moth
Common NameSod Webworm Moth
Scientific NameCrambus teterrellus
FamilyCrambidae
SubfamilyCrambinae
Wingspan (mm)20
Wing Patterncryptic
Primary Colorsbrown, tan, grey
HabitatLawns, pastures, meadows, grassy fields
Geographic RangeNorth America
Host Plantsturfgrasses, corn, ryegrass, fescue
Flight PeriodMay to October
Flight Styledarting
Conservation Statusleast-concern
Lifecycle NotesEggs are laid on grass blades, and larvae (webworms) live in silken tunnels at the base of grass plants, feeding on roots and crowns. Pupation occurs in a silken cocoon in the soil, with multiple generations per year.
Identification TipsLook for the characteristic resting posture with wings wrapped tightly around the body, forming a tube-like shape, and prominent, forward-projecting labial palps that resemble a snout. The coloration is typically cryptic brown or tan.
Description
A small, slender moth with a pointed head due to prominent labial palps, and wings held tightly against the body, forming a cylindrical shape. Its coloration is typically cryptic brown or tan, often with subtle darker streaks.
