Treble-bar Moth
Aplocera plagiata (Linnaeus, 1758)
Family: Geometridae
Subfamily: Larentiinae
Identification: Forewing brown to gray with triple submedial, medial, and postmedial lines containing faint cross bars. Dark apical dash with yellow or orangish shading.
Wing Span: 3.0 - 3.8 cm
Life History:
Flight: Adults fly May through September; two broods. Adults are nocturnal.
Caterpillar Hosts: St. Johnswort (Hypericum spp.)
Adult Food:
Habitat: Disturbed areas containing the hostplant.
Range: Native to Europe. Introduced into British Columbia in 1976, and Ontario in the 1980s. First recorded in the U.S. (near Plattsburgh, New York) in 2003. Has been found in Washington state; unclear whether is was introduced or has spread from B.C.
Conservation:
NCGR:
Management Needs:
Taxonomy Notes: None.
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Verified Sightings
Displaying 25 - 48 of 54 verified sightings
Observation date: May 18, 2020
Submitted by: hiker96
Region: Thurston County, Washington, United States
Verified by: davidwdroppers
Verified date: May 19, 2020
Observation date: May 09, 2020
Submitted by: jrmbutterfly
Region: British Columbia, Canada
Verified by: davidwdroppers
Verified date: May 12, 2020
Observation date: Sep 16, 2019
Submitted by: jrmbutterfly
Region: British Columbia, Canada
Verified by: davidwdroppers
Verified date: Sep 20, 2019
Observation date: Sep 06, 2019
Submitted by: Coronis
Region: Gallatin County, Montana, United States
Verified by: davidwdroppers
Verified date: Sep 08, 2019
Observation date: Jul 29, 2019
Submitted by: jrmbutterfly
Region: British Columbia, Canada
Verified by: davidwdroppers
Verified date: Aug 12, 2019
Observation date: Aug 06, 2019
Submitted by: frogbandit
Region: Clark County, Washington, United States
Verified by: davidwdroppers
Verified date: Aug 06, 2019
Observation date: Jun 24, 2019
Submitted by: weflybye
Region: Mason County, Washington, United States
Verified by: davidwdroppers
Verified date: Jun 25, 2019
Observation date: Jun 11, 2019
Submitted by: jrmbutterfly
Region: British Columbia, Canada
Verified by: davidwdroppers
Verified date: Jun 11, 2019
Observation date: May 29, 2019
Submitted by: jrmbutterfly
Region: British Columbia, Canada
Verified by: davidwdroppers
Verified date: May 31, 2019
Observation date: May 29, 2019
Submitted by: jrmbutterfly
Region: British Columbia, Canada
Verified by: davidwdroppers
Verified date: May 31, 2019
Observation date: May 26, 2019
Submitted by: jrmbutterfly
Region: British Columbia, Canada
Verified by: davidwdroppers
Verified date: May 28, 2019
Observation date: May 08, 2019
Submitted by: hiker96
Region: Thurston County, Washington, United States
Verified by: davidwdroppers
Verified date: May 15, 2019
Observation date: Aug 22, 2017
Submitted by: Joe Bartok
Region: Ontario, Canada
Verified by: rogerdowner
Verified date: Aug 22, 2017
Observation date: Jun 18, 2017
Submitted by: BeaLaporte
Region: Ontario, Canada
Verified by: curtis.lehman
Verified date: Jul 12, 2017
Observation date: Jun 12, 2017
Submitted by: klebo
Region: Walla Walla County, Washington, United States
Verified by: davidwdroppers
Verified date: Jun 20, 2017
Observation date: May 09, 2016
Submitted by: jvhigbee
Region: Pierce County, Washington, United States
Verified by: davidwdroppers
Verified date: May 09, 2016
Observation date: Jun 12, 2012
Submitted by: jmihuc
Region: Clinton County, New York, United States
Verified by: Sue Gregoire
Verified date: Jan 04, 2016
Observation date: Sep 13, 2015
Submitted by: jim.odonater
Region: Clatsop County, Oregon, United States
Verified by: Robert Martin
Verified date: Dec 12, 2015
Observation date: Jun 20, 2015
Submitted by: crm211b
Region: Ontario, Canada
Verified by: rogerdowner
Verified date: Jul 03, 2015
Observation date: Jun 04, 2015
Submitted by: BeaLaporte
Region: Ontario, Canada
Verified by: curtis.lehman
Verified date: Jun 14, 2015
Observation date: Sep 12, 2014
Submitted by: wrygrass
Region: Spokane County, Washington, United States
Verified by: davidwdroppers
Verified date: Sep 17, 2014
Observation date: Aug 20, 2014
Submitted by: jim.odonater
Region: Clark County, Washington, United States
Verified by: davidwdroppers
Verified date: Sep 14, 2014
Observation date: Jun 21, 2014
Submitted by: Sue Orlowski
Region: Spokane County, Washington, United States
Verified by: davidwdroppers
Verified date: Jun 29, 2014
Observation date: Aug 19, 2013
Submitted by: BeaLaporte
Region: Ontario, Canada
Verified by: rogerdowner
Verified date: Nov 06, 2013
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