Evergreen Bagworm Moth
Thyridopteryx ephemeraeformis (Haworth, 1803)
Family: Psychidae
Subfamily: Oiketicinae
Identification: Body in male entirely black. Wings also entirely black but usually translucent from loss of scales after emergence from larval case. Abdomen long, tapering. Female entirely wingless and does not leave larval case.
Wing Span: male 1.7-3.6 cm.
Life History: Larvae can be a pest to ornamentals, particularly red cedar. Larva attaches its case with silk to twig of food plant.
Flight: September-October.
Caterpillar Hosts: Trees, shrubs, and herbaceous plants.
Adult Food:
Habitat:
Range: Massachusetts to southern Florida, west to Nebraska and Texas.
Conservation:
NCGR:
Management Needs:
Comments: NULL
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Verified Sightings
Displaying 1 - 24 of 266 verified sightings

Observation date: Jul 24, 2025
Submitted by: Blue Swallowtail
Region: Adams County, Nebraska, United States
Verified by: J_Martineau
Verified date: Nov 03, 2025

Observation date: Sep 26, 2025
Submitted by: naj.pilla
Region: Porter County, Indiana, United States
Verified by: rogerdowner
Verified date: Oct 23, 2025

Observation date: Aug 24, 2025
Submitted by: Melinda Bell
Region: Sumner County, Tennessee, United States
Verified by: rogerdowner
Verified date: Aug 24, 2025

Observation date: Jul 18, 2025
Submitted by: actuallyamagpie
Region: Hamilton County, Ohio, United States
Verified by: rogerdowner
Verified date: Aug 11, 2025

Observation date: Aug 19, 2017
Submitted by: bellhanley
Region: Jefferson County, Kentucky, United States
Verified by: curtis.lehman
Verified date: Jul 28, 2025

Observation date: Sep 25, 2019
Submitted by: Wade Wander
Region: Sussex County, New Jersey, United States
Verified by: BarbSendelbach
Verified date: Jan 13, 2025

Observation date: Sep 22, 2023
Submitted by: Dhurley
Region: Pratt County, Kansas, United States
Verified by: James Steen
Verified date: Sep 24, 2023

Observation date: Sep 18, 2017
Submitted by: mdolomieu1
Region: Greene County, Missouri, United States
Verified by: jamesdurbin
Verified date: Sep 19, 2022

Observation date: Sep 06, 2022
Submitted by: reupurtbones
Region: Warren County, Kentucky, United States
Verified by: rogerdowner
Verified date: Sep 10, 2022

Observation date: Aug 06, 2022
Submitted by: KM6
Region: Kalamazoo County, Michigan, United States
Verified by: jwileyrains
Verified date: Aug 07, 2022

Observation date: Jul 26, 2022
Submitted by: jmgesell
Region: Northampton County, Pennsylvania, United States
Verified by: curtis.lehman
Verified date: Jul 29, 2022

Observation date: Oct 13, 2021
Submitted by: Ilse Gebhard
Region: Kalamazoo County, Michigan, United States
Verified by: jwileyrains
Verified date: Apr 21, 2022

Observation date: Jan 02, 2022
Submitted by: calvertm
Region: Cumberland County, Pennsylvania, United States
Verified by: curtis.lehman
Verified date: Feb 20, 2022

Observation date: Apr 06, 2019
Submitted by: Bridgetkelly17
Region: Cook County, Illinois, United States
Verified by: curtis.lehman
Verified date: Nov 23, 2021

Observation date: Nov 19, 2021
Submitted by: Blue Swallowtail
Region: Adams County, Nebraska, United States
Verified by: J_Martineau
Verified date: Nov 22, 2021

Observation date: Jul 07, 2021
Submitted by: BarbSendelbach
Region: Sussex County, New Jersey, United States
Verified by: BarbSendelbach
Verified date: Nov 16, 2021

Observation date: Oct 29, 2021
Submitted by: BarbSendelbach
Region: Sussex County, New Jersey, United States
Verified by: BarbSendelbach
Verified date: Nov 14, 2021

Observation date: Oct 29, 2021
Submitted by: BarbSendelbach
Region: Sussex County, New Jersey, United States
Verified by: BarbSendelbach
Verified date: Nov 14, 2021

Observation date: Oct 28, 2021
Submitted by: BarbSendelbach
Region: Sussex County, New Jersey, United States
Verified by: BarbSendelbach
Verified date: Nov 14, 2021

Observation date: Aug 18, 2018
Submitted by: Chimera
Region: Ulster County, New York, United States
Verified by: jwileyrains
Verified date: Nov 13, 2021

Observation date: Nov 02, 2019
Submitted by: Tindomul1of9
Region: Queens County, New York, United States
Verified by: jwileyrains
Verified date: Nov 13, 2021

Observation date: Sep 13, 2021
Submitted by: dmccord
Region: Hamilton County, Indiana, United States
Verified by: rogerdowner
Verified date: Sep 19, 2021

Observation date: Aug 15, 2021
Submitted by: Blue Swallowtail
Region: Cass County, Nebraska, United States
Verified by: J_Martineau
Verified date: Aug 19, 2021

Observation date: Jul 28, 2021
Submitted by: BarbSendelbach
Region: Sussex County, New Jersey, United States
Verified by: curtis.lehman
Verified date: Aug 06, 2021
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