Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

  Sighting 1385880

Banded Hairstreak
Satyrium calanus

Observation date: July 03, 2024
Submitted by: garyfreed
Specimen type: Photograph
Observation notes: Butterflies of Pennsylvania shows that this species has not been recorded in Montgomery County in the past 20 years
Status: Resident
Verified by: davidwright
Verified date: July 13, 2024
Coordinator notes: This is a difficult ID. The VFW pattern is classical Banded Hairstreak, while the VHW pattern is somewhat reminiscent of Edwards’ Hairstreak. However, the post-median row of white-encircled dots of this individual’s VHW is occasionally seen in Banded females.