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Pearl Crescent

Phyciodes tharos

Last reviewed: June 2026

Pearl Crescent is known for its intricate black network pattern on bright orange wings.

Pearl Crescent (Phyciodes tharos)
Photo: (c) Greg Lasley, some rights reserved (CC BY-NC), uploaded by Greg Lasley

Host plants

Pearl Crescent caterpillars can only develop on their larval host plants. Plant one of these natives and you can host the full life cycle in your own yard (host plant associations per the Xerces Society (opens in new tab)).

Want Pearl Crescent in your yard? Open Aromatic Aster in Pollinator Patch and plan an HOA-friendly garden around it for your region.

Family

Nymphalidae

Wingspan

25–35 mm

Active

April through September

Range

TX, AL, AR, CT and 38 more states

How to identify it

Look for small orange butterflies with distinctive black network patterns across their wings, especially near flowering asters.

Good to know

  • Males perch on low vegetation to watch for females during mating season
  • Caterpillars are black with white or yellow spines
  • Highly adaptable butterfly found across many North American habitats

Common questions

What do Pearl Crescent caterpillars eat?
Pearl Crescent caterpillars feed on Symphyotrichum, Aster, Symphyotrichum oblongifolium, Symphyotrichum ericoides, Symphyotrichum drummondii var. texanum, Symphyotrichum lanceolatum, Symphyotrichum lateriflorum, Symphyotrichum patens, Symphyotrichum praealtum, Symphyotrichum pratense, and Symphyotrichum racemosum. These are the larval host plants the caterpillars must have to develop, per the Xerces Society and host plant records compiled from GBIF and iNaturalist.
Where do Pearl Crescent live?
Pearl Crescent is found across TX, AL, AR, CT and 38 more states.
When are Pearl Crescent active?
Adult Pearl Crescent are typically on the wing from April through September.

Range and life-history data compiled from iNaturalist, GBIF, and the Xerces Society. Photo licensed cc-by-nc.