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 25 - 48 of 76 verified sightings
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
Observation date: Sep 22, 2019
Submitted by: RStankiewicz
Region: Ontario, Canada
Verified by: rogerdowner
Verified date: Sep 23, 2019
Observation date: Sep 09, 2018
Submitted by: fiona7kelly7
Region: Ontario, Canada
Verified by: rogerdowner
Verified date: Feb 23, 2019
Observation date: Sep 27, 2018
Submitted by: Rick Welton
Region: Lake County, Indiana, United States
Verified by: Howell_Curtis
Verified date: Oct 08, 2018
Observation date: Sep 24, 2018
Submitted by: Ilona L.
Region: Dane County, Wisconsin, United States
Verified by: Ilona L.
Verified date: Oct 04, 2018
Observation date: Sep 22, 2017
Submitted by: Ilona L.
Region: Dane County, Wisconsin, United States
Verified by: Ilona L.
Verified date: Oct 28, 2017
Observation date: Sep 24, 2017
Submitted by: Reiner Jakubowski
Region: Ontario, Canada
Verified by: rogerdowner
Verified date: Oct 10, 2017
Observation date: Sep 25, 2017
Submitted by: edenny
Region: Hampshire County, Massachusetts, United States
Verified by: rogerdowner
Verified date: Oct 04, 2017
Observation date: Sep 24, 2017
Submitted by: nrpeters
Region: Washington County, Pennsylvania, United States
Verified by: curtis.lehman
Verified date: Sep 25, 2017
Observation date: Sep 07, 2017
Submitted by: Michayla Lovitt
Region: Franklin County, Ohio, United States
Verified by: rogerdowner
Verified date: Sep 07, 2017
Observation date: Sep 01, 2016
Submitted by: Mark Wheeler
Region: Washington County, Minnesota, United States
Verified by: Tom Middagh
Verified date: Jan 22, 2017
Observation date: Sep 25, 2016
Submitted by: drkilmer
Region: Frederick County, Maryland, United States
Verified by: rogerdowner
Verified date: Sep 25, 2016
Observation date: Sep 22, 2016
Submitted by: edenny
Region: Hampshire County, Massachusetts, United States
Verified by: rogerdowner
Verified date: Sep 24, 2016
Observation date: Oct 06, 2014
Submitted by: devjohnstone
Region: Nova Scotia, Canada
Verified by: Sue Gregoire
Verified date: Jun 15, 2016
Observation date: Oct 08, 2014
Submitted by: curtis.lehman (Paul Dennehy)
Region: Montour County, Pennsylvania, United States
Verified by: curtis.lehman
Verified date: Feb 23, 2016
Observation date: Oct 20, 1994
Submitted by: curtis.lehman (Steven Johnson)
Region: Dauphin County, Pennsylvania, United States
Verified by: curtis.lehman
Verified date: Feb 03, 2016
Observation date: Oct 29, 2015
Submitted by: Kiwiluv3r
Region: Montgomery County, Virginia, United States
Verified by: rogerdowner
Verified date: Nov 09, 2015
Observation date: Sep 14, 2015
Submitted by: Betsy Higgins
Region: Hampshire County, Massachusetts, United States
Verified by: rogerdowner
Verified date: Oct 19, 2015
Observation date: Oct 08, 2015
Submitted by: disteffv
Region: Berks County, Pennsylvania, United States
Verified by: curtis.lehman
Verified date: Oct 17, 2015
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