Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

  Sighting 1360223

The Bruce Spanworm
Operophtera bruceata

Observation date: June 01, 2023
Submitted by: Blue Swallowtail
Specimen type: Photograph
Observation notes: Found under cedar and walnut trees on a warm day. About 3/4s of an inch long. Fed mainly on walnut leaves and passively on sand cherry. Was infected with parasitoid wasp larvae.
Status: Resident
Verified by: J_Martineau
Verified date: June 23, 2023
Coordinator notes: None.
Checklist region(s): United States, Nebraska, Adams County