Bug Identifier
Bagworm
Community identification

Bagworm

Thyridopteryx ephemeraeformis

Order & Family
Lepidoptera, Psychidae
Size
15 mm to 30 mm
See this bug in the Encyclopedia

Natural Habitat

Found on various evergreen and deciduous trees, living inside a silken bag camouflaged with plant debris.

Diet & Feeding

Larvae feed voraciously on tree foliage, particularly evergreens like arborvitae and juniper.

Behavior Patterns

Constructs and carries a portable protective case throughout its larval stage. Adult females are wingless and remain inside the bag.

Risks & Benefits

High infestations can severely defoliate and kill ornamental trees and shrubs.