A Harris's Three-spot Moth in Garrett Co., Maryland (7/21/2014).
Harris's Three-spot Moth in Montgomery Co., Maryland (8/11/2024). (c) Jim Moore (Maryland), some rights reserved (CC BY-NC ).
A Harris's Three-spot Moth in Howard Co., Maryland (8/11/2017).
A Harris's Three-spot Moth in Washington Co., Maryland (7/26/2019).
Harris's Three-spot Moth in Howard Co., Maryland (8/11/2017). (c) Bill Hubick, all rights reserved.
A Harris's Three-spot Moth in Harford Co., Maryland (7/7/2018).
A Harris's Three-spot Moth in Somerset Co., Maryland (6/18/2004).
A Harris's Three-spot Moth in Baltimore Co., Maryland (7/26/2014).
A Harris's Three-spot Moth in Harford Co., Maryland (6/26/2017).
A Harris's Three-spot Moth in Howard Co., Maryland (7/26/2013).
Harris's Three-spot Moth in Garrett Co., Maryland (7/30/2022). (c) Jim Brighton, some rights reserved (CC BY-NC ).
A Harris's Three-spot Moth in Howard Co., Maryland (7/26/2013).
Harris's Three-spot Moth in Baltimore Co., Maryland (8/18/2014). (c) Frode Jacobsen, some rights reserved (CC BY-NC ).
Harris's Three-spot Moth in Howard Co., Maryland (8/11/2017). (c) Timothy Reichard, all rights reserved.
Harris's Three-spot Moth in Kent Co., Maryland (6/23/2022). (c) Nils Helstrom, some rights reserved (CC BY-NC ).
Harris's Three-spot Moth in Harford Co., Maryland (8/16/2017). (c) richard crook, some rights reserved (CC BY-NC ).
Harris's Three-spot Moth in St. Mary's Co., Maryland (7/1/2021). (c) jtylerbell, some rights reserved (CC BY-NC ).
A male Harris's Three-spot Moth in Howard Co., Maryland (6/27/2003).
A male Harris's Three-spot Moth in Howard Co., Maryland (6/27/2003).
Harris's Three-spot Moth larva in Howard Co., Maryland (9/10/2022). (c) Judy Gallagher, some rights reserved (CC BY-NC ).
A Harris's Three-spot Moth caterpillar in Anne Arundel Co., Maryland (8/12/2023).
Harris's Three-spot Moth in Carroll Co., Maryland (9/10/2023). (c) Jim Moore (Maryland), some rights reserved (CC BY-NC ).
A Harris's Three-spot Moth in St. Mary's Co., Maryland (7/8/2017).
A Harris's Three-spot Moth in Cecil Co., Maryland (8/4/2017).
Harris's Three-spot Moth in Howard Co., Maryland (9/8/2022). (c) wendyinmd, some rights reserved (CC BY-NC ).
Harrisimemna trisignata caterpillar in Howard Co., Maryland (9/10/2022).
Harris's Three-spot Moth caterpillar in Howard Co., Maryland (9/8/2022).
Harris's Three-spot Moth caterpillar on Viburnum sp. in Carroll Co., Maryland (9/10/2023).
A Harris's Three-spot Moth caterpillar in Harford Co., Maryland (8/20/2017).
A Harris's Three-spot Moth caterpillar in Garrett Co., Maryland (9/21/2017).
A Harris's Three-spot Moth caterpillar in Prince George's Co., Maryland (8/25/2010). Determined by John and Jane Balaban/BugGuide.
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A Harris's Three-spot Moth caterpillar in Prince George's Co., Maryland (8/25/2010). Determined by John and Jane Balaban/BugGuide.
View Record Details
Media by
Eric Gofreed .
Species of moth
Harrisimemna trisignata , or Harris's three spot , is a moth of the family Noctuidae . The species was first described by Francis Walker in 1856.[ 1] [ 2] It is found in North America from Ontario , Quebec , New Brunswick , Nova Scotia , Newfoundland and Labrador , Alberta and Saskatchewan , south to Arizona . In the United States it has been recorded in Maryland , Pennsylvania , Wisconsin , Georgia , Illinois , Indiana , Iowa , New York , Ohio , Oklahoma , Tennessee , Texas and Virginia .
The wingspan is 30–36 mm. Adults are on wing from May to August in Canada.
The larvae feed on various woody plants, including wild raisin, winterberry, bush honeysuckle, black willow, white ash and apple.
^ Savela, Markku, ed. (August 26, 2019). "Harrisimemna trisignata (Walker, 1856)" . Lepidoptera and Some Other Life Forms . Retrieved October 26, 2020 .
^ Beccaloni, G.; Scoble, M.; Kitching, I.; Simonsen, T.; Robinson, G.; Pitkin, B.; Hine, A.; Lyal, C., eds. (2003). "Harrisimemna trisignata " . The Global Lepidoptera Names Index . Natural History Museum . Retrieved October 26, 2020 .