Bagworm Moth Larva

Scientific Name: Family Psychidae

Order & Family: Lepidoptera: Psychidae

Size: 1 to 15 cm depending on species and age

Bagworm Moth Larva

Natural Habitat

Typically found on trees, shrubs, and man-made structures such as walls and fences

Diet & Feeding

Larvae are generalist feeders consuming leaves and needles from many types of deciduous and evergreen trees

Behavior Patterns

The larva constructs a protective case or 'bag' made of silk and environmental debris (like twigs or leaves) and carries it while feeding; females often remain in the bag for their entire lives

Risks & Benefits

Can cause significant defoliation to ornamental landscape plants and trees; they are generally harmless to humans but considered a garden pest

Identified on: 7/1/2026