T-Moth (or Plume Moth)

Scientific Name: Hellinsia homodactylus

Order & Family: Lepidoptera: Pterophoridae

Size: Wingspan typically 20 to 30 mm

T-Moth (or Plume Moth)

Natural Habitat

Found in meadows, gardens, and forest edges where host plants like goldenrod or asters grow.

Diet & Feeding

Larvae feed on various herbaceous plants such as goldenrods; adults feed on flower nectar.

Behavior Patterns

Notable for their unique T-shaped resting posture with wings rolled tightly and held perpendicular to the body. They are primarily nocturnal and are frequently attracted to porch lights.

Risks & Benefits

Harmless to humans; serves as a minor pollinator and a food source for birds and predatory insects. Some species are used for biological control of invasive weeds.

Identified on: 5/27/2026