Arborvitae Leafminer Moth
Argyresthia thuiella (Packard, 1871)
Family: Yponomeutidae
Subfamily: Argyresthiinae
Identification: Adult: forewing pale gray or whitish with 3 dark gray or black patches along inner margin (creating a 3-banded effect when wings are held together at rest); 4 or 5 small dark marks present along costa near apex
Wing Span: 0.8 cm
Life History:
Flight: May to July
Caterpillar Hosts: larvae are leaf miners, feeding mainly on Eastern White Cedar (Thuja occidentalis) plus other Arborvitae and False Cypress (Chamaecyparis spp.)
Adult Food:
Habitat: on leaves of host plant (mainly Eastern White Cedar)
Range: southeastern Canada and northeastern US to North Carolina, west to Missouri, north to Manitoba (plus disjunct population in British Columbia)
also occurs in Europe
Conservation:
NCGR:
Management Needs:
Taxonomy Notes: None.
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Verified Sightings
Displaying 1 - 17 of 17 verified sightings
Observation date: Jun 24, 2024
Submitted by: BeaLaporte
Region: Ontario, Canada
Verified by: curtis.lehman
Verified date: Jun 29, 2024
Observation date: Jun 18, 2021
Submitted by: Don Marotte
Region: Rockingham County, New Hampshire, United States
Verified by: rogerdowner
Verified date: Aug 25, 2021
Observation date: Jun 10, 2021
Submitted by: tirvine2020
Region: Middlesex County, Massachusetts, United States
Verified by: rogerdowner
Verified date: Jul 18, 2021
Observation date: May 23, 2021
Submitted by: dmccord
Region: Hamilton County, Indiana, United States
Verified by: rogerdowner
Verified date: May 24, 2021
Observation date: Jun 01, 2017
Submitted by: Jim Eckert
Region: Berks County, Pennsylvania, United States
Verified by: Jim Eckert
Verified date: Feb 22, 2021
Observation date: Jun 13, 2019
Submitted by: BarbSendelbach
Region: Sussex County, New Jersey, United States
Verified by: jwileyrains
Verified date: Feb 19, 2021
Observation date: Jun 14, 2020
Submitted by: tirvine2020
Region: Middlesex County, Massachusetts, United States
Verified by: rogerdowner
Verified date: Jun 25, 2020
Observation date: May 31, 2017
Submitted by: Wade Wander
Region: Sussex County, New Jersey, United States
Verified by: curtis.lehman
Verified date: May 30, 2020
Observation date: Jun 30, 2019
Submitted by: Reiner Jakubowski
Region: Ontario, Canada
Verified by: rogerdowner
Verified date: Mar 27, 2020
Observation date: Jun 29, 2019
Submitted by: Jacksenzig
Region: Racine County, Wisconsin, United States
Verified by: Ilona L.
Verified date: Jul 02, 2019
Observation date: Jun 18, 2017
Submitted by: BeaLaporte
Region: Ontario, Canada
Verified by: rogerdowner
Verified date: Mar 11, 2018
Observation date: May 27, 2017
Submitted by: Steven Wilson
Region: Nicholas County, West Virginia, United States
Verified by: curtis.lehman
Verified date: Feb 27, 2018
Observation date: Jun 26, 2017
Submitted by: Joe Bartok
Region: Ontario, Canada
Verified by: rogerdowner
Verified date: Sep 09, 2017
Observation date: Jun 29, 2016
Submitted by: gary yankech
Region: Ontario, Canada
Verified by: rogerdowner
Verified date: Aug 19, 2016
Observation date: May 09, 2016
Submitted by: K. S. Veitch
Region: Laurel County, Kentucky, United States
Verified by: rogerdowner
Verified date: May 25, 2016
Observation date: Apr 25, 2015
Submitted by: Ken Childs
Region: Chester County, Tennessee, United States
Verified by: Ken Childs
Verified date: Apr 30, 2015
Observation date: May 01, 2006
Submitted by: rdhealy1951@aol.com
Region: Hart County, Kentucky, United States
Verified by: rogerdowner
Verified date: Sep 16, 2011