Bug Identifier
Sycamore Tussock Moth Caterpillar
Community identification

Sycamore Tussock Moth Caterpillar

Halysidota harrisii

Order & Family
Order: Lepidoptera, Family: Erebidae
Size
25 to 35 mm in length
See this bug in the Encyclopedia

Natural Habitat

Deciduous forests, woodlands, and suburban areas where host trees are present.

Diet & Feeding

Leaves of deciduous trees, primarily sycamore and occasionally maple.

Behavior Patterns

Active during summer months feeding on foliage; larvae form cocoons to overwinter as pupae before emerging as adult moths.

Risks & Benefits

The hairs can cause mild skin irritation or allergic reactions in sensitive individuals if handled. They are a natural part of the forest ecosystem, serving as a food source for birds and other predators.