A Red-humped Caterpillar Moth in Dorchester Co., Maryland (5/27/2015).

View Record Details Photo by Jonathan Willey MBP List

A Red-humped Caterpillar Moth in Frederick Co., Maryland (7/22/2016). Verified by Roger Downer/BAMONA.

View Record Details Photo by Mark Etheridge MBP List

A Red-humped Caterpillar Moth in Allegany Co., Maryland (8/7/2015). Identification verified by Roger Downer/BAMONA.

View Record Details Photo by Timothy Reichard MBP List

Red-humped Caterpillar Moth in Anne Arundel Co., Maryland (7/11/2018). (c) Timothy Reichard, all rights reserved. (Photo ID: 190588 - Psn: 45)

View Record Details Photo by Timothy Reichard MBP List

Red-humped Caterpillar Moth in Anne Arundel Co., Maryland (8/19/2022). (c) Timothy Reichard, all rights reserved. (Photo ID: 644769 - Psn: 55)

View Record Details Photo by Timothy Reichard MBP List

Red-humped Caterpillar Moth in Anne Arundel Co., Maryland (7/15/2021). (c) Hugh McGuinness, all rights reserved. (Photo ID: 786521 - Psn: 55)

View Record Details Photo by Hugh McGuinness MBP List

A Red-humped Caterpillar Moth in Prince George's Co., Maryland.

View Record Details Photo by Bob Patterson MBP List

A Red-humped Caterpillar Moth in Howard Co., Maryland (7//2002).

View Record Details Photo by Larry Line MBP List

Red-humped Caterpillar Moth in Prince George's Co., Maryland (9/26/2020). (c) Katja Schulz, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by/4.0/'>CC BY</a>). (Photo ID: 301199 - Psn: 102)

Red-humped Caterpillar Moth in Prince George's Co., Maryland (9/26/2020). (c) Katja Schulz, some rights reserved (CC BY).

View Record Details Photo by Katja Schulz via iNaturalist MBP List

Red-humped Caterpillar Moth in Prince George's Co., Maryland (9/26/2020). (c) Katja Schulz, some rights reserved (CC BY).

View Record Details Photo by Katja Schulz via iNaturalist MBP List

Red-humped Caterpillar Moth in Prince George's Co., Maryland (9/26/2020). (c) Katja Schulz, some rights reserved (CC BY).

View Record Details Photo by Katja Schulz via iNaturalist MBP List

A Red-humped Caterpillar Moth caterpillar in Howard Co., Maryland (8/4/2017).

View Record Details Photo by Anthony VanSchoor MBP List

Red-humped Caterpillar Moth in Anne Arundel Co., Maryland (8/11/2018). (c) Bill Hubick, all rights reserved. (Photo ID: 547328 - Psn: 122)

View Record Details Photo by Bill Hubick MBP List

Red-humped Caterpillar Moth in Prince George's Co., Maryland (8/2/2025). (c) Adrienne van den Beemt, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by/4.0/'>CC BY</a>). (Photo ID: 1322414 - Psn: 122)

Red-humped Caterpillar Moth in Prince George's Co., Maryland (8/2/2025). (c) Adrienne van den Beemt, some rights reserved (CC BY).

View Record Details Photo by Adrienne van den Beemt MBP List

A larval Red-humped Caterpillar Moth in Anne Arundel Co., Maryland (8/10/2020).

View Record Details Photo by Bob Cammarata MBP List

Red-humped Caterpillar Moth in Howard Co., Maryland (8/9/2020). (c) Matthew Beziat, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 700028 - Psn: 140)

Red-humped Caterpillar Moth in Howard Co., Maryland (8/9/2020). (c) Matthew Beziat, some rights reserved (CC BY-NC).

View Record Details Photo by Matthew Beziat MBP List

Red-humped Caterpillar Moth in Anne Arundel Co., Maryland (9/14/2020). (c) Matthew Beziat, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 700027 - Psn: 142)

Red-humped Caterpillar Moth in Anne Arundel Co., Maryland (9/14/2020). (c) Matthew Beziat, some rights reserved (CC BY-NC).

View Record Details Photo by Matthew Beziat MBP List

Red-humped Caterpillar Moth larvae in Charles Co., Maryland (8/22/2019).

View Record Details Photo by Julie Simpson MBP List

A Red-humped Caterpillar in Anne Arundel Co., Maryland (7/24/2016).

View Record Details Photo by Bob Cammarata MBP List

Red-humped Caterpillars in Howard Co., Maryland (10/10/2011).

View Record Details Photo by Bonnie Ott MBP List

A Red-humped Caterpillar Moth caterpillar in Harford Co., Maryland (8/27/2017).

View Record Details Photo by Josh Emm MBP List

Red-humped Caterpillar Moth larvae in Howard Co., Maryland (8/10/2017).

View Record Details Photo by Anthony VanSchoor MBP List

Red-humped Caterpillar Moth larvae in Carroll Co., Maryland (10/6/2017).

View Record Details Photo by Anna Letaw MBP List

Red-humped Caterpillar Moth larvae in Baltimore Co., Maryland (7/19/2018).

View Record Details Photo by Bob Cammarata MBP List

Red-humped Caterpillars in Anne Arundel Co., Maryland (7/19/2014).

View Record Details Photo by Richard Orr MBP List

A Red-humped Caterpillar in Anne Arundel Co., Maryland (9/17/2002).

View Record Details Photo by Sara Tangren MBP List

Red-humped Caterpillars in Prince George's Co., Maryland (7/17/2015). Determined by John and Jane Balaban/BugGuide.

View Record Details Photo by Sue Muller MBP List

A Red-humped Caterpillar in Worcester Co., Maryland (7/29/2013).

View Record Details Photo by Scott Housten MBP List

A Red-humped Caterpillar Moth caterpillars in Anne Arundel Co., Maryland (8/16/2019).

View Record Details Photo by Bob Cammarata MBP List

Map Snapshot

84 Records

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Relationships

Hosts plants include Black Walnut (Database of the World's Lepidopteran Hostplants).

Seasonality Summary

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Resources

View at iNaturalist Search Google Images Search MBP Facebook posts

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Use of media featured on Maryland Biodiversity Project is only permitted with express permission of the photographer.

A Red-humped Caterpillar Moth in Dorchester Co., Maryland (5/27/2015). View Record Details Media by Jonathan Willey.

A Red-humped Caterpillar Moth in Frederick Co., Maryland (7/22/2016). Verified by Roger Downer/BAMONA. View Record Details Media by Mark Etheridge.

A Red-humped Caterpillar Moth in Allegany Co., Maryland (8/7/2015). Identification verified by Roger Downer/BAMONA. View Record Details Media by Timothy Reichard.

A Red-humped Caterpillar Moth in Prince George's Co., Maryland. View Record Details Media by Bob Patterson.

A Red-humped Caterpillar Moth in Howard Co., Maryland (7//2002). View Record Details Media by Larry Line.

Red-humped Caterpillar Moth in Prince George's Co., Maryland (9/26/2020). (c) Katja Schulz, some rights reserved (CC BY). View Record Details Media by Katja Schulz via iNaturalist.

A Red-humped Caterpillar Moth caterpillar in Howard Co., Maryland (8/4/2017). View Record Details Media by Anthony VanSchoor.

Red-humped Caterpillar Moth in Prince George's Co., Maryland (8/2/2025). (c) Adrienne van den Beemt, some rights reserved (CC BY). View Record Details Media by Adrienne van den Beemt.

A larval Red-humped Caterpillar Moth in Anne Arundel Co., Maryland (8/10/2020). View Record Details Media by Bob Cammarata.

Red-humped Caterpillar Moth in Howard Co., Maryland (8/9/2020). (c) Matthew Beziat, some rights reserved (CC BY-NC). View Record Details Media by Matthew Beziat.

Red-humped Caterpillar Moth in Anne Arundel Co., Maryland (9/14/2020). (c) Matthew Beziat, some rights reserved (CC BY-NC). View Record Details Media by Matthew Beziat.

Red-humped Caterpillar Moth larvae in Charles Co., Maryland (8/22/2019). View Record Details Media by Julie Simpson.

A Red-humped Caterpillar in Anne Arundel Co., Maryland (7/24/2016). View Record Details Media by Bob Cammarata.

Red-humped Caterpillars in Howard Co., Maryland (10/10/2011). View Record Details Media by Bonnie Ott.

A Red-humped Caterpillar Moth caterpillar in Harford Co., Maryland (8/27/2017). View Record Details Media by Josh Emm.

Red-humped Caterpillar Moth larvae in Howard Co., Maryland (8/10/2017). View Record Details Media by Anthony VanSchoor.

Red-humped Caterpillar Moth larvae in Carroll Co., Maryland (10/6/2017). View Record Details Media by Anna Letaw.

Red-humped Caterpillar Moth larvae in Baltimore Co., Maryland (7/19/2018). View Record Details Media by Bob Cammarata.

Red-humped Caterpillars in Anne Arundel Co., Maryland (7/19/2014). View Record Details Media by Richard Orr.

A Red-humped Caterpillar in Anne Arundel Co., Maryland (9/17/2002). View Record Details Media by Sara Tangren.

Red-humped Caterpillars in Prince George's Co., Maryland (7/17/2015). Determined by John and Jane Balaban/BugGuide. View Record Details Media by Sue Muller.

A Red-humped Caterpillar in Worcester Co., Maryland (7/29/2013). View Record Details Media by Scott Housten.

A Red-humped Caterpillar Moth caterpillars in Anne Arundel Co., Maryland (8/16/2019). View Record Details Media by Bob Cammarata.

Source: Wikipedia

Oedemasia concinna

Conservation status
Secure (NatureServe)^[1]
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Clade:	Pancrustacea
Class:	Insecta
Order:	Lepidoptera
Superfamily:	Noctuoidea
Family:	Notodontidae
Subfamily:	Heterocampinae
Genus:	Oedemasia
Species:	O. concinna
Binomial name
*Oedemasia concinna* (J.E. Smith, 1797)
Synonyms
Phalaena concinna J.E. Smith, 1797 Schizura concinna (J.E. Smith, 1797) Schizura nitida (Packard, 1864) Schizura riversii (Behr, 1890) Schizura concinna salicis

Oedemasia concinna, the red-humped caterpillar moth or red-humped caterpillar, is a moth of the family Notodontidae.^[1]^[2]^[3]^[4] It is found from southern Canada to Florida and Arizona.^[1]^[2]^[3]

The wingspan is about 30–35 millimeters (1.2–1.4 in).^[5] The larvae can grow to 35 millimeters (1.4 in).^[2]

It inhabits mesic to wet broadleaf forests, including suburban parks and yards, preferably with open canopies. It is particularly common along forest edges, old fields, and powerlines, and in vernal wetlands, and shrub swamps.^[1] The larvae feed on a wide range of woody plants.^[1]^[2]^[5]

References

[edit]

^ ^a ^b ^c ^d ^e "Oedemasia concinna Red-humped Caterpillar Moth". NatureServe. 20 May 2023. Retrieved 24 September 2024.
^ ^a ^b ^c ^d "Species Oedemasia concinna - Red-humped Caterpillar Moth". Bug Guide. Retrieved 24 September 2024.
^ ^a ^b "Oedemasia concinna (Smith, 1797)". Digital Guide to Moth Identification. Moth Photographers Group, Mississippi Entomological Museum. Retrieved 24 September 2024.
^ "Oedemasia concinna (Smith, 1797)". Global Lepidoptera Index 1.1.24.256. 12 September 2024. Retrieved 24 September 2024.
^ ^a ^b Hall, S.P.; et al. "Oedemasia concinna (J.E. Smith, 1797) - Red-humped Caterpillar Moth". Moths of North Carolina. North Carolina Biodiversity Project and North Carolina State Parks. Retrieved 24 September 2024.