Moths of North Carolina
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Common Name:
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View PDFNoctuidae Members: 48 NC Records

Acronicta betulae Riley, 1884 - Birch Dagger


Taxonomy
Superfamily: Noctuoidea Family: NoctuidaeSubfamily: AcronictinaeP3 Number: 931429.00 MONA Number: 9208.00
Comments: One of 74 species in this genus found in North America north of Mexico (Schmidt and Anweiler, 2020), 42 of which have been recorded in North Carolina. Betulae is a member of Species Group II of Forbes (1954), which includes 17 additional species in North Carolina.
Identification
Field Guide Descriptions: Covell (1984); Beadle and Leckie (2012)Online Photographs: MPG, BugGuide, iNaturalist, Google, BAMONATechnical Description, Adults: Forbes (1954); Schmidt and Anweiler (2020)                                                                                 
Adult ID Requirements: Identifiable from good quality photos of unworn specimens.
Distribution in North Carolina
Distribution:
County Map: Clicking on a county returns the records for the species in that county.
Flight Dates:
 High Mountains (HM) ≥ 4,000 ft.
 Low Mountains (LM) < 4,000 ft.
 Piedmont (Pd)
 Coastal Plain (CP)

Click on graph to enlarge
Habitats and Life History
Habitats: Almost all of our records come from floodplains or their vicinity where River Birch is present. One record from an upland site in the Mountains is associated with a planted stand of River Birch.
Larval Host Plants: Larvae are monophagous on River Birch (Wagner et al., 2011)
Wikipedia
See also Habitat Account for General Wet Hardwood Forests
Status in North Carolina
Natural Heritage Program Status:
Natural Heritage Program Ranks: GNR S4S5
State Protection: Has no legal protection, although permits are required to collect it on state parks and other public lands.
Comments:

 Photo Gallery for Acronicta betulae - Birch Dagger

Photos: 21

Recorded by: Jim Petranka, Bo Sullivan and Steve Hall on 2021-06-07
Moore Co.
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Recorded by: Dean Furbish on 2021-05-15
Wake Co.
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Recorded by: Vin Stanton on 2021-05-13
Buncombe Co.
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Recorded by: Gary Maness on 2021-04-27
Guilford Co.
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Recorded by: Dean Furbish on 2021-04-20
Wake Co.
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Recorded by: Dean Furbish on 2021-04-18
Wake Co.
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Recorded by: Michael P. Morales on 2021-04-14
Cumberland Co.
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Recorded by: Dean Furbish on 2021-04-13
Wake Co.
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Recorded by: Dean Furbish on 2021-04-12
Wake Co.
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Recorded by: Steve Hall and Bo Sullivan on 2021-04-07
Moore Co.
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Recorded by: Robert Gilson on 2020-03-20
Iredell Co.
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Recorded by: Mark Shields on 2019-08-30
Onslow Co.
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Recorded by: Darryl Willis on 2019-08-15
Cabarrus Co.
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Recorded by: Gary Maness on 2019-07-09
Guilford Co.
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Recorded by: Jim Petranka and Becky Elkin on 2019-05-28
Buncombe Co.
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Recorded by: David L. Heavner on 2019-05-01
Buncombe Co.
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Recorded by: Paul Scharf on 2016-04-20
Warren Co.
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Recorded by: B. Bockhahn, P. Scharf, L. Amos on 2015-05-12
Warren Co.
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Recorded by: Paul Scharf on 2011-08-26
Warren Co.
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Recorded by: Taylor Piephoff on 2011-07-01
Mecklenburg Co.
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Recorded by: Paul Scharf on 2010-07-21
Warren Co.
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