Lawn Armyworm (Caterpillar larva)

Natural Habitat

Grassy areas including residential lawns, golf courses, sports fields, and pastures.

Diet & Feeding

Herbivorous; primarily feeds on various types of turf grasses including Couch, Kikuyu, and Buffalo grass.

Behavior Patterns

Larvae are nocturnal feeders that hide in the thatch or soil during the day. They are known for 'marching' in large groups to new feeding grounds once a food source is depleted.

Risks & Benefits

Considered a significant agricultural and horticultural pest. They can cause rapid, extensive damage to lawns by stripping the leaves. They pose no direct physical risk to humans but provide a food source for birds and predatory insects.

Identified on: 4/19/2026