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Black-and-Yellow Lichen Moth

Lycomorpha pholus[3]

The black-and-yellow lichen moth is a small day-flying tiger moth whose caterpillars feed on lichens.[1][2]

Group
Insect
Order
Lepidoptera
Family
Erebidae
US records
34 states
Sources
3 cited
Updated
2026-10-16
Black-and-yellow lichen moth on a goldenrod flower
Black-and-yellow lichen moth on a goldenrod flower. (c) Morgan Freese, some rights reserved (CC BY) — via iNaturalist, CC BY 4.0
On this page
  1. Identification
  2. Look-alikes
  3. Where it lives
  4. Biology
  5. Damage and signs
  6. Health risk
  7. Control
  8. Related profiles
  9. Common questions
  10. Sources

How to identify it

  • Wingspan is about 1 to 1 1/4 inches; the body and outer wings are black with an iridescent blue sheen, and the inner half of the wings is yellow, orange or red.[1][2]
  • Caterpillars have sparse hairs and are camouflaged to look like the lichens they eat.[1][2]

Look-alikes

Look-alikeHow to tell them apart
Orange-patched smoky mothA similar-looking moth whose range overlaps but reaches only as far west as Missouri.[1]

Where it lives

Found in North America from Ontario and Quebec south to Florida and west to the Rocky Mountains.[1][2]

US map: public records from 34 states since 1990 (GBIF).

Biology and life cycle

Adults fly by day from July through September, usually in multiple generations, and visit goldenrod, fleabane and sunflowers.[2]

It overwinters as nearly full-grown caterpillars, and the hairy cocoons are attached near the lichens they fed on.[2]

Damage and signs

  • No damage: the caterpillars feed only on lichens on tree bark and rocks.[1][2]

Health risk

Harmless to people and pets.[1][2]

Control

Prevention

No control is needed; the bright colors may warn predators, and the moths are harmless.[2]

Common questions

What is the black moth with yellow on its wings flying in the daytime?
Likely a black-and-yellow lichen moth, a day-flier often on goldenrod.[1][2]

Sources

  1. University of Florida IFAS Extension (EDIS, Featured Creatures), “Black and Yellow Lichen Moth, Lycomorpha pholus (EENY-479).” ask.ifas.ufl.edu/publication/IN865 (accessed 2026-10-16)
  2. Missouri Department of Conservation, “Black-and-Yellow Lichen Moth (Field Guide).” mdc.mo.gov/discover-nature/field-guide/black-yellow-lichen-moth (accessed 2026-10-16)
  3. iNaturalist, “Lycomorpha pholus taxon page (order and family).” www.inaturalist.org/taxa/128950 (accessed 2026-10-06)

Updated 2026-10-16. Built from sourced records. Spot an error? Tell us.