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For Insects, Spiders & Their Kin
For the United States & Canada
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Species Oedemasia leptinoides - Black-blotched Prominent - Hodges#8011

Black-blotched Schizura - Oedemasia leptinoides Caterpillar 071216nick - Oedemasia leptinoides Little moth to identified - Oedemasia leptinoides Black-blotched Schizura - Oedemasia leptinoides Black-blotched Schizura   - Oedemasia leptinoides Cat22 - Oedemasia leptinoides Horned orange caterpillar - likely Zale lunata - Oedemasia leptinoides Oedemasia leptinoides
Show images of: caterpillars · adults · both
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Lepidoptera (Butterflies and Moths)
Superfamily Noctuoidea (Owlet Moths and kin)
Family Notodontidae (Prominent Moths)
Subfamily Heterocampinae
Genus Oedemasia
Species leptinoides (Black-blotched Prominent - Hodges#8011)
Hodges Number
Synonyms and other taxonomic changes
Oedemasia leptinoides (Grote, 1864)
Coelodasys leptinoides Grote(1), 1864
Cecrita mustelina Packard, 1864
Phylogenetic sequence # 930104(2)
Explanation of Names
Oedemasia leptinoides (Grote, 1864), n. comb. in Becker (2014) (3), was formerly placed in the genus Schizura.
Wingspan 35-42 mm.
Grote & Robinson (1867) reported the wingspan of one male as 1.6".
Adult: forewing medium to dark gray with a sharply defined dark basal streak, diffuse blackish blotch near center of wing and usually paler brownish shading toward inner margin; AM and PM lines double, indistinct; pale gray or whitish rectangular patch at apex; hindwing dirty white in male, and gray in female

Larva: body brown with prominent humps on first, fifth, and eighth abdominal segments; head strongly mottled with pattern coalescing into broad diffuse band to either side of midline; dorsum of thorax with dark patch widening toward head; dorsum of sixth and seventh segments with pale chevron
[description by David Wagner and Valerie Giles]
Canada: NS to BC; USA: ME south to southern FL west to MN and TX in wooded areas with a disjunct population in western SD. (4)
Type locality (leptinoides): "Middles States".
Type locality (mustelina): Cambridge, MA.
The main flight period is April to September; earlier start in Florida.
The larvae feed on leaves of apple, beech, birch, hickory, oak, poplar, walnut.
Life Cycle
One or two generations per year.
See Also
In Oligocentria semirufescens the forewing has a diffuse dark area on the base and lower inner margin of the forewing. There is no dark basal streak and no double pm line.
Print References
Grote, A.R. 1864. Proceedings of the Entomological Society of Philadelphia 3. p. 323; plate 4, fig. 2.
Grote, A.R. & C.T. Robinson 1867. Descriptions of America Lepidoptera. Transactions of the American Entomological Society 1. p. 177; plate 4, fig. 33.
Internet References
pinned adult images of male and female (James Adams, Dalton State College, Georgia)
live larva image plus description, seasonality, foodplants, biology (David Wagner and Valerie Giles, Caterpillars of Eastern Forests, USGS)
common name reference plus flight season and larval foodplants (Ohio State U.)
distribution in Canada; list of provinces of occurrence (U. of Alberta, using CBIF data)
Works Cited
1.Augustus Radcliffe Grote, Lepidopterist (1841-1903)
2.Annotated check list of the Noctuoidea (Insecta, Lepidoptera) of North America north of Mexico.
Donald J. Lafontaine, B. Christian Schmidt. 2010. ZooKeys 40: 1–239 .
3.Checklist of New World Notodontidae (Noctuoidea)
Becker, V.O. 2014. Lepidoptera Novae, 7(1): 1-40.
4.Noctuoidea, Notodontidae (Part 2, Conclusion): Heterocampinae, Nystaleinae, Dioptinae, Dicranurinae
Miller, J.S., D.L. Wagner, P.A. Opler & J.D. Lafontaine. 2021. The Moths of America north of Mexico, Fascicle 22.1B: 1-443.
5.North American Moth Photographers Group
6.BOLD: The Barcode of Life Data Systems