Lawn Moth (Larva/Caterpillar)
Scientific Name: Crambidae (various species)
Order & Family: Order: Lepidoptera, Family: Crambidae
Size: 10 to 25 mm in length depending on maturity

Natural Habitat
Typically found in turf grass, lawns, and grassy agricultural areas where they reside in the thatch or soil.
Diet & Feeding
Larvae feed on the roots, stems, and leaf blades of grasses, sometimes causing brown patches in lawns.
Behavior Patterns
Often nocturnal feeders, they construct silk-lined tubes in the turf thatch to hide during the day and undergo several molts before pupating into adult moths.
Risks & Benefits
Generally harmless to humans but can be considered a pest to lawns and turf managers; they contribute to the ecosystem as a food source for birds and predatory insects.
Identified on: 12/30/2025