Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

  Sighting 1416396

Evergreen Bagworm Moth
Thyridopteryx ephemeraeformis

Observation date: July 24, 2025
Submitted by: Blue Swallowtail
Specimen type: Photograph
Observation notes: Caterpillars were roaming with their cases near infested cedar bushes in late July. I collected some cases in early September with a female having emerged in one. Males emerged in early October.
Status: Resident
Verified by: J_Martineau
Verified date: November 03, 2025
Coordinator notes: Awesome series!
Checklist region(s): United States, Nebraska, Adams County