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Digital Guide to Moth Identification

930103 – 8010   Oedemasia concinna (Smith, 1797)
             Red-humped Caterpillar

Mark Dreiling - DNA
Distribution: Caution: A single range map dot for a Canadian province may represent records without specific location data.
Canada: NS to western ON; USA: ME south to FL and west to IL and eastern TX and a western population in CO, UT and AZ (possibly contiguous "through northern Rockies or across the Great Plains"). - Miller et al. (2021)
Type locality (concinna): Georgia.
Type locality (nitida): Janesville, MD.
Similar Species:
  • Oedemasia salicis (Edwards, 1877) is separated by range with potential overlap in the Pacific Northwest.
  • Pinned specimens of related species. (Hint: select View by Region on the related species page.)
Synonymy: Phalaena concinna Smith, 1797
Oedemasia nitida Packard, 1864
Taxonomic Notes: Oedemasia concinna (Smith, 1797), n. comb. in Becker (2014), was formerly placed in the genus Schizura.
  • Barcode of Life (BOLD) - Caution: Some specimens shown may not be sequenced. DNA barcode provides evidence of relatedness not proof of identification.
  • Miller, J.S., D.L. Wagner, P.A. Opler & J.D. Lafontaine, 2021. Noctuoidea, Notodontidae (Part 2, Conclusion): Heterocampinae, Nystaleinae, Dioptinae, Dicranurinae. The Moths of America north of Mexico, Fascicle 22.1B: 141; pl. A-17, figs. 25-27; pl. 58, fig. 4 (♂ gen.); pl. 72, fig. 11 (♂ sternum 8); pl. 86, fig. 4 (♀ gen.); pl. L-17, fig. 9 (larva). - order
  • Powell, J. A. & P. A. Opler, 2009. Moths of Western North America, Pl. 42.22f, 42.23m; p. 251. Book Review and ordering
  • Species Page at Block Island Moths
  • Species Page at BugGuide.Net
  • Species Page at Mass Moths
Oedemasia concinna
Mark Dreiling
Oedemasia concinna
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Oedemasia concinna
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Oedemasia concinna
Carol Wolf
Oedemasia concinna
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Oedemasia concinna
- 38mm – Jim Vargo
Oedemasia concinna
Jeffrey C. Miller
Oedemasia concinna
Tom Murray LG

Oedemasia concinna
Bob Barber LG

Oedemasia concinna
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Oedemasia concinna
George Smiley LG
on Liquidamber styraciflua
Oedemasia concinna
Ashley Bradford LG

Oedemasia concinna
McGuire Center LG

Oedemasia concinna
Chris Adam LG

Oedemasia concinna
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Oedemasia concinna
Mike Miller LG

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