A Spun Glass Slug Moth in Howard Co., Maryland (7/21/2016). Identification verified by Hugh McGuinness and Roger Downer/BAMONA.

View Record Details Photo by Timothy Reichard MBP List

A Spun Glass Slug Moth in Harford Co., Maryland (8/29/2019). Verified by Roger Downer/BAMONA.

View Record Details Photo by Dave Webb MBP List

Spun Glass Slug Moth in Anne Arundel Co., Maryland (7/18/2020). (c) Timothy Reichard, all rights reserved. (Photo ID: 196716 - Psn: 12)

View Record Details Photo by Timothy Reichard MBP List

Spun Glass Slug Moth in Anne Arundel Co., Maryland (7/18/2020). (c) Timothy Reichard, all rights reserved. (Photo ID: 196595 - Psn: 15)

View Record Details Photo by Timothy Reichard MBP List

Spun Glass Slug Moth in Anne Arundel Co., Maryland (7/18/2020). (c) Timothy Reichard, all rights reserved. (Photo ID: 196596 - Psn: 15)

View Record Details Photo by Timothy Reichard MBP List

Spun Glass Slug Moth in Anne Arundel Co., Maryland (7/18/2020). (c) Timothy Reichard, all rights reserved. (Photo ID: 196667 - Psn: 20)

View Record Details Photo by Timothy Reichard MBP List

Spun Glass Slug Moth in Anne Arundel Co., Maryland (7/18/2020). (c) Timothy Reichard, all rights reserved. (Photo ID: 196668 - Psn: 20)

View Record Details Photo by Timothy Reichard MBP List

Spun Glass Slug Moth in Anne Arundel Co., Maryland (7/18/2020). (c) Timothy Reichard, all rights reserved. (Photo ID: 197029 - Psn: 45)

View Record Details Photo by Timothy Reichard MBP List

A Spun Glass Slug Moth in Calvert Co., Maryland (7/16/2006).

View Record Details Photo by Arlene Ripley MBP List

A Spun Glass Slug Moth in Calvert Co., Maryland (7/16/2006).

View Record Details Photo by Arlene Ripley MBP List

A Spun Glass Slug Moth in Calvert Co., Maryland (7/20/2006).

View Record Details Photo by Arlene Ripley MBP List

A Spun Glass Slug Moth in Prince George's Co., Maryland (7/17/2006).

View Record Details Photo by Bob Patterson MBP List

A male Spun Glass Slug Moth in Howard Co., Maryland (7/4/2002).

View Record Details Photo by Larry Line MBP List

A Spun Glass Slug Moth in Howard Co., Maryland (7/14/2013).

View Record Details Photo by Larry Line MBP List

Spun Glass Slug Moth in Baltimore Co., Maryland (7/4/2025). (c) Frode Jacobsen, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 1309350 - Psn: 66)

Spun Glass Slug Moth in Baltimore Co., Maryland (7/4/2025). (c) Frode Jacobsen, some rights reserved (CC BY-NC).

View Record Details Photo by Frode Jacobsen MBP List

Spun Glass Slug Moth in Anne Arundel Co., Maryland (7/20/2019). (c) Timothy Reichard, all rights reserved. (Photo ID: 204386 - Psn: 68)

View Record Details Photo by Timothy Reichard MBP List

Spun Glass Slug Moth in Howard Co., Maryland (8/29/2021). (c) Judy Gallagher, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 438121 - Psn: 105)

Spun Glass Slug Moth in Howard Co., Maryland (8/29/2021). (c) Judy Gallagher, some rights reserved (CC BY-NC).

View Record Details Photo by Judy Gallagher MBP List

Spun Glass Slug Moth in Montgomery Co., Maryland (8/16/2025). (c) Jim Moore (Maryland), some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 1337365 - Psn: 114)

Spun Glass Slug Moth in Montgomery Co., Maryland (8/16/2025). (c) Jim Moore (Maryland), some rights reserved (CC BY-NC).

View Record Details Photo by Jim Moore MBP List

Spun Glass Slug Moth in Montgomery Co., Maryland (8/16/2025). (c) Jim Moore (Maryland), some rights reserved (CC BY-NC).

View Record Details Photo by Jim Moore MBP List

Spun Glass Slug Moth in Howard Co., Maryland (8/25/2024). (c) Jim Moore (Maryland), some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 1088299 - Psn: 125)

Spun Glass Slug Moth in Howard Co., Maryland (8/25/2024). (c) Jim Moore (Maryland), some rights reserved (CC BY-NC).

View Record Details Photo by Jim Moore MBP List

Spun Glass Slug Moth in Howard Co., Maryland (8/29/2021). (c) Giff Beaton, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 458203 - Psn: 132)

Spun Glass Slug Moth in Howard Co., Maryland (8/29/2021). (c) Giff Beaton, some rights reserved (CC BY-NC).

View Record Details Photo by Giff Beaton via iNaturalist MBP List

A Spun Glass Slug Moth larva in Prince George's Co., Maryland (7/28/2020).

View Record Details Photo by Bob Cammarata MBP List

Spun Glass Slug Moth in Harford Co., Maryland (8/27/2018). (c) Giff Beaton, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 302572 - Psn: 135)

Spun Glass Slug Moth in Harford Co., Maryland (8/27/2018). (c) Giff Beaton, some rights reserved (CC BY-NC).

View Record Details Photo by Giff Beaton via iNaturalist MBP List

Spun Glass Slug Moth larvae in Howard Co., Maryland (8/30/2015).

View Record Details Photo by Bob Cammarata MBP List

Spun Glass Slug Moth in Anne Arundel Co., Maryland (7/5/2024). (c) Timothy Reichard, all rights reserved. (Photo ID: 1088549 - Psn: 200)

View Record Details Photo by Timothy Reichard MBP List

Spun Glass Slug Moth in Carroll Co., Maryland (7/3/2025). (c) Tom Field, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by/4.0/'>CC BY</a>) (Photo ID: 1456593 - Psn: 200)

Spun Glass Slug Moth in Carroll Co., Maryland (7/3/2025). (c) Tom Field, some rights reserved (CC BY)

View Record Details Photo by Tom Feild MBP List

Spun Glass Slug Moth in Carroll Co., Maryland (7/3/2025). (c) Tom Field, some rights reserved (CC BY)

View Record Details Photo by Tom Feild MBP List

A Spun Glass Slug Moth in Howard Co., Maryland (9/3/2017).

View Record Details Photo by Anthony VanSchoor MBP List

A Spun Glass Slug Moth larva in Harford Co., Maryland (8/17/2016).

View Record Details Photo by Bob Cammarata MBP List

A Spun Glass Slug Moth larva in Howard Co., Maryland (8/26/2015).

View Record Details Photo by Bob Cammarata MBP List

A Spun Glass Slug Moth caterpillar in Howard Co., Maryland (8/26/2015).

View Record Details Photo by Bonnie Ott MBP List

A Spun Glass Slug Moth caterpillar in Howard Co., Maryland (9/16/2013).

View Record Details Photo by Richard Orr MBP List

A Spun Glass Slug Moth caterpillar in Howard Co., Maryland (8/26/2015).

View Record Details Photo by Bonnie Ott MBP List

A Spun Glass Slug Moth caterpillar in Howard Co., Maryland (9/2/2015).

View Record Details Photo by Bonnie Ott MBP List

A Spun Glass Slug Moth caterpillar in Howard Co., Maryland (8/12/2017).

View Record Details Photo by Ashley Bradford MBP List

A Spun Glass Slug Moth caterpillar in Howard Co., Maryland (8/30/2015).

View Record Details Photo by Bonnie Ott MBP List

A Spun Glass Slug Moth larva in Howard Co., Maryland (8/22/2015).

View Record Details Photo by Bonnie Ott MBP List

A Spun Glass Slug Moth caterpillar in Harford Co., Maryland (9/3/2014).

View Record Details Photo by Bob Cammarata MBP List

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

A Spun Glass Slug Moth in Howard Co., Maryland (7/21/2016). Identification verified by Hugh McGuinness and Roger Downer/BAMONA. View Record Details Media by Timothy Reichard.

A Spun Glass Slug Moth in Harford Co., Maryland (8/29/2019). Verified by Roger Downer/BAMONA. View Record Details Media by Dave Webb.

A Spun Glass Slug Moth in Calvert Co., Maryland (7/16/2006). View Record Details Media by Arlene Ripley.

A Spun Glass Slug Moth in Calvert Co., Maryland (7/20/2006). View Record Details Media by Arlene Ripley.

A Spun Glass Slug Moth in Prince George's Co., Maryland (7/17/2006). View Record Details Media by Bob Patterson.

A male Spun Glass Slug Moth in Howard Co., Maryland (7/4/2002). View Record Details Media by Larry Line.

A Spun Glass Slug Moth in Howard Co., Maryland (7/14/2013). View Record Details Media by Larry Line.

Spun Glass Slug Moth in Baltimore Co., Maryland (7/4/2025). (c) Frode Jacobsen, some rights reserved (CC BY-NC). View Record Details Media by Frode Jacobsen.

Spun Glass Slug Moth in Howard Co., Maryland (8/29/2021). (c) Judy Gallagher, some rights reserved (CC BY-NC). View Record Details Media by Judy Gallagher.

Spun Glass Slug Moth in Montgomery Co., Maryland (8/16/2025). (c) Jim Moore (Maryland), some rights reserved (CC BY-NC). View Record Details Media by Jim Moore.

Spun Glass Slug Moth in Howard Co., Maryland (8/25/2024). (c) Jim Moore (Maryland), some rights reserved (CC BY-NC). View Record Details Media by Jim Moore.

Spun Glass Slug Moth in Howard Co., Maryland (8/29/2021). (c) Giff Beaton, some rights reserved (CC BY-NC). View Record Details Media by Giff Beaton via iNaturalist.

A Spun Glass Slug Moth larva in Prince George's Co., Maryland (7/28/2020). View Record Details Media by Bob Cammarata.

Spun Glass Slug Moth in Harford Co., Maryland (8/27/2018). (c) Giff Beaton, some rights reserved (CC BY-NC). View Record Details Media by Giff Beaton via iNaturalist.

Spun Glass Slug Moth larvae in Howard Co., Maryland (8/30/2015). View Record Details Media by Bob Cammarata.

Spun Glass Slug Moth in Carroll Co., Maryland (7/3/2025). (c) Tom Field, some rights reserved (CC BY) View Record Details Media by Tom Feild.

A Spun Glass Slug Moth in Howard Co., Maryland (9/3/2017). View Record Details Media by Anthony VanSchoor.

A Spun Glass Slug Moth larva in Harford Co., Maryland (8/17/2016). View Record Details Media by Bob Cammarata.

A Spun Glass Slug Moth larva in Howard Co., Maryland (8/26/2015). View Record Details Media by Bob Cammarata.

A Spun Glass Slug Moth caterpillar in Howard Co., Maryland (8/26/2015). View Record Details Media by Bonnie Ott.

A Spun Glass Slug Moth caterpillar in Howard Co., Maryland (9/16/2013). View Record Details Media by Richard Orr.

A Spun Glass Slug Moth caterpillar in Howard Co., Maryland (8/26/2015). View Record Details Media by Bonnie Ott.

A Spun Glass Slug Moth caterpillar in Howard Co., Maryland (9/2/2015). View Record Details Media by Bonnie Ott.

A Spun Glass Slug Moth caterpillar in Howard Co., Maryland (8/12/2017). View Record Details Media by Ashley Bradford.

A Spun Glass Slug Moth caterpillar in Howard Co., Maryland (8/30/2015). View Record Details Media by Bonnie Ott.

A Spun Glass Slug Moth larva in Howard Co., Maryland (8/22/2015). View Record Details Media by Bonnie Ott.

A Spun Glass Slug Moth caterpillar in Harford Co., Maryland (9/3/2014). View Record Details Media by Bob Cammarata.

Source: Wikipedia

Isochaetes beutenmuelleri

Adult form

Caterpillar
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Clade:	Pancrustacea
Class:	Insecta
Order:	Lepidoptera
Family:	Limacodidae
Genus:	Isochaetes
Species:	I. beutenmuelleri
Binomial name
*Isochaetes beutenmuelleri* (H. Edwards, 1889)^[1]
Synonyms
Limacodes beutenmuelleri Edwards, 1889

Isochaetes beutenmuelleri, the spun glass slug moth, is a moth of the family Limacodidae. It is found in the United States from New York to Florida and west to Colorado and Texas.^[2]

Their wingspan is 19–24 mm.^[3] Adults are on wing from June to August.

The larvae feed on oak and beech.^[4]

References

[edit]

^ mothphotographersgroup
^ Bug Guide
^ Butterflies and Moths of North America
^ Murphy, Shannon M.; Lill, John T.; Epstein, Marc E. (September 2011). "Natural History of Limacodid Moths (Zygaenoidea) in the Environs of Washington, D.C." The Journal of the Lepidopterists' Society. 65 (3): 137–152. doi:10.18473/lepi.v65i3.a1. ISSN 0024-0966.

Taxon identifiers
Isochaetes beutenmuelleri	Wikidata: Q6085416 BAMONA: Isochaetes-beutenmuelleri BOLD: 11982 BugGuide: 9469 CoL: 3Q7LL EoL: 377786 GBIF: 1752894 iNaturalist: 222331 Insecta.pro: 41916 IRMNG: 10791462 LepIndex: 76547 MONA: 4675 NatureServe: 2.116907 NCBI: 690222 Open Tree of Life: 175672

This article about a taxon in the moth family Limacodidae is a stub. You can help Wikipedia by adding missing information.

Spun Glass Slug Moth

Isochaetes beutenmuelleri (H. Edwards, 1889)

Synonyms

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