Evergreen Bagworm

Natural Habitat

Coniferous and deciduous trees, most commonly found on arborvitae, cedar, juniper, and pine.

Diet & Feeding

Larvae are generalist feeders that eat the foliage of over 128 species of trees and shrubs.

Behavior Patterns

Larvae construct a protective silk case covered with plant debris and live inside it while feeding. Females are wingless and remain in the bag to mate and lay eggs.

Risks & Benefits

Considered a significant landscape pest; heavy infestations can completely defoliate and kill host trees. They offer no notable benefits to the human ecosystem.

Identified on: 3/4/2026