Iris Borer Moth
Macronoctua onusta (Grote, 1874)
Family: Noctuidae
Subfamily: Noctuinae
Identification: Thorax blackish. Forewing dark brown with variable black shading. Lines and spots very thin, black; most conspicuous marking is dash-like lower end of reniform spot. Hindwing grayish brown, darker toward margin.
Wing Span: 4-5.4 cm.
Life History: Larva (Iris Borer) bores into host plant.
Flight: September-October.
Caterpillar Hosts: Corms and rhizomes of iris and sometimes gladiolus.
Adult Food:
Habitat:
Range: Nova Scotia to South Carolina, west to Minnesota, Missouri, and Mississippi.
Conservation:
NCGR:
Management Needs:
Comments: NULL
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Verified Sightings
Displaying 1 - 24 of 70 verified sightings
Observation date: Oct 24, 2022
Submitted by: Latenight
Region: Cumberland County, Pennsylvania, United States
Verified by: curtis.lehman
Verified date: Oct 25, 2022
Observation date: Sep 09, 2022
Submitted by: Ashwnota
Region: Washington County, Maryland, United States
Verified by: rogerdowner
Verified date: Sep 11, 2022
Observation date: Aug 05, 2019
Submitted by: Roshan 2010
Region: Howard County, Maryland, United States
Verified by: curtis.lehman
Verified date: Jan 01, 2022
Observation date: Oct 12, 2021
Submitted by: Nancyk
Region: Hamilton County, Indiana, United States
Verified by: rogerdowner
Verified date: Oct 17, 2021
Observation date: Sep 05, 2021
Submitted by: RStankiewicz
Region: Ontario, Canada
Verified by: rogerdowner
Verified date: Sep 06, 2021
Observation date: Sep 22, 2020
Submitted by: Sue Gregoire
Region: Schuyler County, New York, United States
Verified by: Sue Gregoire
Verified date: Feb 12, 2021
Observation date: Aug 28, 2018
Submitted by: BarbSendelbach
Region: Sussex County, New Jersey, United States
Verified by: curtis.lehman
Verified date: Dec 23, 2020
Observation date: Sep 23, 2018
Submitted by: ChrissyL
Region: Sullivan County, Tennessee, United States
Verified by: rogerdowner
Verified date: Dec 14, 2020
Observation date: Jul 24, 2020
Submitted by: curtis.lehman (Jerry McWilliams)
Region: Erie County, Pennsylvania, United States
Verified by: curtis.lehman
Verified date: Dec 01, 2020
Observation date: Sep 26, 2020
Submitted by: Ilona L.
Region: Dane County, Wisconsin, United States
Verified by: Ilona L.
Verified date: Nov 25, 2020
Observation date: Oct 15, 2012
Submitted by: wade wander
Region: Sussex County, New Jersey, United States
Verified by: curtis.lehman
Verified date: Nov 03, 2020
Observation date: Oct 24, 2020
Submitted by: Cyrus Li
Region: Montgomery County, Virginia, United States
Verified by: rogerdowner
Verified date: Oct 24, 2020
Observation date: Oct 13, 2020
Submitted by: Shelley Rutkin
Region: Forsyth County, North Carolina, United States
Verified by: rogerdowner
Verified date: Oct 15, 2020
Observation date: Sep 26, 2019
Submitted by: jollygoodyellow
Region: Nova Scotia, Canada
Verified by: Sue Gregoire
Verified date: Apr 02, 2020
Observation date: Sep 17, 2019
Submitted by: Coronis
Region: Carlton County, Minnesota, United States
Verified by: Tom Middagh
Verified date: Dec 04, 2019
Observation date: Oct 23, 2019
Submitted by: plawryniuk
Region: Virginia, York County, United States
Verified by: rogerdowner
Verified date: Oct 27, 2019
Observation date: Oct 08, 2019
Submitted by: disteffv
Region: Berks County, Pennsylvania, United States
Verified by: curtis.lehman
Verified date: Oct 10, 2019
Observation date: Sep 16, 2019
Submitted by: disteffv
Region: Berks County, Pennsylvania, United States
Verified by: curtis.lehman
Verified date: Oct 06, 2019
Observation date: Oct 03, 2019
Submitted by: estercrafts
Region: Hamilton County, Indiana, United States
Verified by: Howell_Curtis
Verified date: Oct 03, 2019
Observation date: Sep 28, 2019
Submitted by: tirvine2020
Region: Middlesex County, Massachusetts, United States
Verified by: rogerdowner
Verified date: Oct 01, 2019
Observation date: Sep 28, 2019
Submitted by: JMJaskula
Region: Lake County, Indiana, United States
Verified by: rogerdowner
Verified date: Oct 01, 2019
Observation date: Sep 30, 2019
Submitted by: montejosh
Region: Lancaster County, Pennsylvania, United States
Verified by: curtis.lehman
Verified date: Oct 01, 2019
Observation date: Sep 28, 2019
Submitted by: Joe Bartok
Region: Ontario, Canada
Verified by: curtis.lehman
Verified date: Sep 30, 2019
Observation date: Sep 24, 2019
Submitted by: Joe Bartok
Region: Ontario, Canada
Verified by: curtis.lehman
Verified date: Sep 25, 2019
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