
Community identification
Sod Webworm Moth (Crambid Snout Moth)
Crambus sp.
- Order & Family
- Lepidoptera: Crambidae
- Size
- Wingspan typically ranges from 15 to 30 mm
Natural Habitat
Grassy areas, lawns, meadows, and agricultural fields where grass provides ample cover and food.
Diet & Feeding
Larvae (webworms) feed on the base and blades of grass and turf. Adults primarily feed on flower nectar.
Behavior Patterns
Adults are nocturnal and are highly attracted to lights at night. During the day, they rest on grass stems or walls in a characteristic head-downwards, wing-rolled position that makes them look like tube-shaped debris.
Risks & Benefits
The larvae can be significant pests for lawns and golf courses by causing brown patches. Adults are harmless to humans and serve as a food source for birds and bats.