Moths of North Carolina
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View PDFNotodontidae Members: Oedemasia Members: 210 NC Records

Oedemasia semirufescens (Walker, 1865) - Red-washed Prominent


Oedemasia semirufescensOedemasia semirufescensOedemasia semirufescensOedemasia semirufescens
Taxonomy
Superfamily:
Noctuoidea
Family:
Notodontidae
Subfamily:
Heterocampinae
P3 Number:
930105
MONA Number:
8012.00
MONA Synonym:
Oligocentria semirufescens
Identification
Field Guide Descriptions: Covell (1984); Beadle and Leckie (2012)Online Resources: MPG, BugGuide, iNaturalist, Google, BAMONA, GBIF, BOLD                                                                                 
Adult Markings: The forewings are dull reddish with a variable amount of luteous shading (Forbes, 1948). The basal dash is nearly obsolete and a dark patch is located over and/or beyond the reniform dot; in our specimens this patch is greenish rather than blackish and there are additional greenish streaks in the subterminal area. Our specimens often have another dark tornal patch and a pale, subapical streak. A pale postmedian is usually traceable near the inner margin. The thorax is gray and contrasting. Oedemasia concinna is similar but smaller and lacks the dark patch over the discal dot.
Wingspan: 40 mm (Forbes, 1948)
Adult Structural Features: The eighth sternite of the males is simply emarginate rather than notched, as in Oedemasia concinna (Forbes,1948). The forewing is more pointed than in concinna, which is usually truncated.
Adult ID Requirements: Identifiable from good quality photos of unworn specimens.
Larvae ID Requirements: Identifiable from good quality photos, especially where associated with known host plants.
Distribution in North Carolina
Distribution:
County Map: Clicking on a county returns the records for the species in that county.
Oedemasia semirufescensAlamance Alexander Alleghany Anson Ashe Avery Beaufort Bertie Bladen Brunswick Buncombe Burke Cabarrus Caldwell Camden Carteret Caswell Catawba Chatham Cherokee Chowan Clay Cleveland Columbus Craven Cumberland Currituck Dare Davidson Davie Duplin Durham Edgecombe Forsyth Franklin Gaston Gates Graham Granville Greene Guilford Halifax Harnett Haywood Henderson Hertford Hoke Hyde Iredell Jackson Johnston Jones Lee Lenoir Lincoln Macon Madison Martin McDowell Mecklenburg Mitchell Montgomery Moore Nash New%20Hanover Northampton Onslow Orange Pamlico Pasquotank Pender Perquimans Person Pitt Polk Randolph Richmond Robeson Rockingham Rowan Rutherford Sampson Scotland Stanly Stokes Surry Swain Transylvania Tyrrell Union Vance Wake Warren Washington Watauga Wayne Wilkes Wilson Yadkin Yancey
Flight Dates:
 High Mountains (HM) ≥ 4,000 ft.
 Low Mountains (LM) < 4,000 ft.
 Piedmont (Pd)
 Coastal Plain (CP)

Click on graph to enlarge
Image showing flight dates by month for High Mountains greater than 4,000 feet, Low Mountains, Piedmont, and Coastal Plain: adults.
Immature Dates:
 High Mountains (HM) ≥ 4,000 ft.
 Low Mountains (LM) < 4,000 ft.
 Piedmont (Pd)
 Coastal Plain (CP)

Click on graph to enlarge
Image showing flight dates by month for High Mountains greater than 4,000 feet, Low Mountains, Piedmont, and Coastal Plain: immatures.
Habitats and Life History
Habitats: Woodlands and forests (Wagner, 2005). The majority of our records come from wet to mesic sites.
Larval Host Plants: Larvae are polyphagous, feeding on hardwood trees and shrubs but apparently with a preference for poplars and willows (Wagner, 2005). - View
Wikipedia
See also Habitat Account for General Wet-Mesic Hardwood Forests
Status in North Carolina
Natural Heritage Program Status:
Natural Heritage Program Ranks: G5 SNR [S5]
State Protection: Has no legal protection, although permits are required to collect it on state parks and other public lands.
Comments:

 Photo Gallery for Oedemasia semirufescens - Red-washed Prominent

115 photos are available. Only the most recent 30 are shown.
Oedemasia semirufescens
Recorded by: Mark Basinger on 2025-09-19
Wilson Co.
Comment:
Oedemasia semirufescens
Recorded by: R. Teper, David George, P. Coin, K. Bischof on 2025-09-16
Transylvania Co.
Comment:
Oedemasia semirufescens
Recorded by: David George, Jeff Niznik on 2025-09-14
Durham Co.
Comment:
Oedemasia semirufescens
Recorded by: David George, Jeff Niznik on 2025-09-14
Durham Co.
Comment:
Oedemasia semirufescens
Recorded by: David George, Jeff Niznik on 2025-09-14
Durham Co.
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Oedemasia semirufescens
Recorded by: Mark Basinger on 2025-09-13
Wilson Co.
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Oedemasia semirufescens
Recorded by: Allison Garton on 2025-08-28
Moore Co.
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Oedemasia semirufescens
Recorded by: Emily Stanley on 2025-08-24
Buncombe Co.
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Oedemasia semirufescens
Recorded by: Dean Furbish on 2025-08-16
Orange Co.
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Oedemasia semirufescens
Recorded by: Mark Basinger on 2025-08-15
Ashe Co.
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Oedemasia semirufescens
Recorded by: Mark Basinger on 2025-08-15
Ashe Co.
Comment:
Oedemasia semirufescens
Recorded by: David George, Kevin Bischof, Rich Teper, Patrick Coin on 2025-08-15
Transylvania Co.
Comment:
Oedemasia semirufescens
Recorded by: Jim Petranka and Becky Elkin on 2025-07-29
Madison Co.
Comment:
Oedemasia semirufescens
Recorded by: Allison Garton on 2025-06-19
Moore Co.
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Oedemasia semirufescens
Recorded by: Allison Garton on 2025-06-19
Moore Co.
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Oedemasia semirufescens
Recorded by: Mark Basinger on 2025-05-22
Wilson Co.
Comment:
Oedemasia semirufescens
Recorded by: Mark Basinger on 2025-05-22
Wilson Co.
Comment:
Oedemasia semirufescens
Recorded by: Russel James on 2024-09-06
Cumberland Co.
Comment:
Oedemasia semirufescens
Recorded by: Owen McConnell on 2024-08-14
Graham Co.
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Oedemasia semirufescens
Recorded by: Lior S. Carlson, Dean Furbish on 2024-08-13
Pamlico Co.
Comment:
Oedemasia semirufescens
Recorded by: Dean Furbish, Lior S. Carlson on 2024-08-13
Pamlico Co.
Comment:
Oedemasia semirufescens
Recorded by: Mark Basinger on 2024-08-07
Mitchell Co.
Comment:
Oedemasia semirufescens
Recorded by: David George, Jeff Niznik, Kevin Bischof on 2024-08-07
Transylvania Co.
Comment:
Oedemasia semirufescens
Recorded by: David George, Jeff Niznik, Kevin Bischof on 2024-08-07
Transylvania Co.
Comment:
Oedemasia semirufescens
Recorded by: Jim Petranka and Mark Basinger on 2024-08-06
Mitchell Co.
Comment:
Oedemasia semirufescens
Recorded by: David George, Jeff Niznik on 2024-08-06
Transylvania Co.
Comment:
Oedemasia semirufescens
Recorded by: David George, Jeff Niznik on 2024-08-05
Transylvania Co.
Comment:
Oedemasia semirufescens
Recorded by: David George, Jeff Niznik on 2024-08-05
Transylvania Co.
Comment:
Oedemasia semirufescens
Recorded by: Mark Basinger on 2024-08-04
Mitchell Co.
Comment:
Oedemasia semirufescens
Recorded by: David George, Jeff Niznik, Stephen Dunn on 2024-08-02
Chatham Co.
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