Bug Identifier
Lawn Moth (Larva/Caterpillar)
Community identification

Lawn Moth (Larva/Caterpillar)

Crambidae (various species)

Order & Family
Order: Lepidoptera, Family: Crambidae
Size
10 to 25 mm in length depending on maturity
See this bug in the Encyclopedia

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.