An Eastern Ringtail in Washington Co., Maryland (7/28/2018).

View Record Details Photo by Frode Jacobsen MBP List

A male Eastern Ringtail in Montgomery Co., Maryland (7/23/2015).

View Record Details Photo by Andy Martin MBP List

An Eastern Ringtail in Montgomery Co., Maryland (8/30/2019). Determined by Ken Allison/BugGuide.

View Record Details Photo by Wendy R. Fredericks MBP List

An Eastern Ringtail in Montgomery Co., Maryland (9/18/2010).

View Record Details Photo by Dave Roberts MBP List

An Eastern Ringtail in Frederick Co., Maryland (9/2/2019).

View Record Details Photo by Tim Friedlander MBP List

Eastern Ringtail in Montgomery Co., Maryland (7/30/2021). (c) Scot Magnotta, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 425821 - Psn: 35)

Eastern Ringtail in Montgomery Co., Maryland (7/30/2021). (c) Scot Magnotta, some rights reserved (CC BY-NC).

View Record Details Photo by Scot Magnotta via iNaturalist MBP List

Eastern Ringtail in Montgomery Co., Maryland (7/20/2020). (c) Judy Gallagher, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-sa/4.0/'>CC BY-SA</a>). (Photo ID: 1213882 - Psn: 35)

Eastern Ringtail in Montgomery Co., Maryland (7/20/2020). (c) Judy Gallagher, some rights reserved (CC BY-SA).

View Record Details Photo by Judy Gallagher MBP List

Eastern Ringtail in Frederick Co., Maryland (9/4/2011).

View Record Details Photo by Mike Ostrowski MBP List

A female Eastern Ringtail in Montgomery Co., Maryland (6/20/2010).

View Record Details Photo by Mike Ostrowski MBP List

Eastern Ringtail in Montgomery Co., Maryland (6/17/2023). (c) lkeifer, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 827666 - Psn: 45)

Eastern Ringtail in Montgomery Co., Maryland (6/17/2023). (c) lkeifer, some rights reserved (CC BY-NC).

View Record Details Photo by lkeifer via iNaturalist MBP List

Eastern Ringtail in Montgomery Co., Maryland (6/23/2019). (c) daveczaplak, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 1213904 - Psn: 45)

Eastern Ringtail in Montgomery Co., Maryland (6/23/2019). (c) daveczaplak, some rights reserved (CC BY-NC).

View Record Details Photo by Dave Czaplak MBP List

An Eastern Ringtail in Washington Co., Maryland (8/28/2011).

View Record Details Photo by Mike Ostrowski MBP List

Eastern Ringtail in Montgomery Co., Maryland (7/15/2021). (c) Scot Magnotta, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 416507 - Psn: 52)

Eastern Ringtail in Montgomery Co., Maryland (7/15/2021). (c) Scot Magnotta, some rights reserved (CC BY-NC).

View Record Details Photo by Scot Magnotta via iNaturalist MBP List

Eastern Ringtail in Montgomery Co., Maryland (6/20/2022). (c) Scot Magnotta, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 592416 - Psn: 52)

Eastern Ringtail in Montgomery Co., Maryland (6/20/2022). (c) Scot Magnotta, some rights reserved (CC BY-NC).

View Record Details Photo by Scot Magnotta via iNaturalist MBP List

An Eastern Ringtail in Montgomery Co., Maryland (6/24/2018). Determined by Kyle Kittelberger, and John and Jane Balaban via BugGuide.

View Record Details Photo by Jim Moore MBP List

Eastern Ringtail in Frederick Co., Maryland (7/19/2020). (c) annagypsy, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc-sa/4.0/'>CC BY-NC-SA</a>). (Photo ID: 192223 - Psn: 55)

Eastern Ringtail in Frederick Co., Maryland (7/19/2020). (c) annagypsy, some rights reserved (CC BY-NC-SA).

View Record Details Photo by annagypsy via iNaturalist MBP List

Eastern Ringtail in Montgomery Co., Maryland (Date obscured). (c) Josh Emm, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 837158 - Psn: 55)

Eastern Ringtail in Montgomery Co., Maryland (Date obscured). (c) Josh Emm, some rights reserved (CC BY-NC).

View Record Details Photo by Josh Emm MBP List

Eastern Ringtail in Prince George's Co., Maryland (6/8/2025). First record for Prince George's County and farthest downriver record we know of along the Potomac River in Maryland. (c) Sue Muller, some rights reserved (CC BY-NC).

View Record Details Photo by Sue Muller MBP List

Eastern Ringtail in Washington Co., Maryland (7/26/2008). (c) Hans Holbrook, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 265457 - Psn: 56)

Eastern Ringtail in Washington Co., Maryland (7/26/2008). (c) Hans Holbrook, some rights reserved (CC BY-NC).

View Record Details Photo by Hans Holbrook MBP List

Eastern Ringtail in Montgomery Co., Maryland (6/20/2022). (c) Scot Magnotta, some rights reserved (CC BY-NC).

View Record Details Photo by Scot Magnotta via iNaturalist MBP List

Eastern Ringtail in Montgomery Co., Maryland (8/13/2023). (c) sychen, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 869677 - Psn: 65)

Eastern Ringtail in Montgomery Co., Maryland (8/13/2023). (c) sychen, some rights reserved (CC BY-NC).

View Record Details Photo by sychen via iNaturalist MBP List

Eastern Ringtail in Montgomery Co., Maryland (7/28/2019). (c) Scot Magnotta, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 1213900 - Psn: 66)

Eastern Ringtail in Montgomery Co., Maryland (7/28/2019). (c) Scot Magnotta, some rights reserved (CC BY-NC).

View Record Details Photo by Scot Magnotta via iNaturalist MBP List

An Eastern Ringtail in Montgomery Co., Maryland (8/4/2018).

View Record Details Photo by Lisa Shannon MBP List

Eastern Ringtail in Montgomery Co., Maryland (7/19/2024). (c) lkeifer, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 1069349 - Psn: 78)

Eastern Ringtail in Montgomery Co., Maryland (7/19/2024). (c) lkeifer, some rights reserved (CC BY-NC).

View Record Details Photo by lkeifer via iNaturalist MBP List

Eastern Ringtail in Frederick Co., Maryland (8/18/2020). (c) smuller, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 208022 - Psn: 87)

Eastern Ringtail in Frederick Co., Maryland (8/18/2020). (c) smuller, some rights reserved (CC BY-NC).

View Record Details Photo by Sue Muller MBP List

Eastern Ringtail in Howard Co., Maryland (8/13/2005). (c) Hans Holbrook, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 279634 - Psn: 88)

Eastern Ringtail in Howard Co., Maryland (8/13/2005). (c) Hans Holbrook, some rights reserved (CC BY-NC).

View Record Details Photo by Hans Holbrook MBP List

Eastern Ringtail in Montgomery Co., Maryland (7/29/2024). (c) Scot Magnotta, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 1076034 - Psn: 88)

Eastern Ringtail in Montgomery Co., Maryland (7/29/2024). (c) Scot Magnotta, some rights reserved (CC BY-NC).

View Record Details Photo by Scot Magnotta via iNaturalist MBP List

Eastern Ringtail in Frederick Co., Maryland (8/18/2020). (c) smuller, some rights reserved (CC BY-NC).

View Record Details Photo by Sue Muller MBP List

Eastern Ringtail in Montgomery Co., Maryland (7/13/2025). (c) Beth Johnson, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 1301711 - Psn: 112)

Eastern Ringtail in Montgomery Co., Maryland (7/13/2025). (c) Beth Johnson, some rights reserved (CC BY-NC).

View Record Details Photo by Beth Johnson via iNaturalist MBP List

Eastern Ringtail in Frederick Co., Maryland (8/14/2010). (c) Robert Ostrowski, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 734166 - Psn: 122)

Eastern Ringtail in Frederick Co., Maryland (8/14/2010). (c) Robert Ostrowski, some rights reserved (CC BY-NC).

View Record Details Photo by Robert Ostrowski via iNaturalist MBP List

Map Snapshot

97 Records

GA AL WA FR CL MO HO BA BC HA CE PG AA CV CH SM KE QA CN TA DO WI SO WO

Status

Eastern Ringtail (Erpetogomphus designatus) is our only representative of a genus of colorful, mostly neotropical clubtails. This attractive species occurs on streams to rivers with sand or gravel substrates. In Maryland, it is known primarily from the middle or lower Potomac, the Patuxent River in Howard Co., and Blairs Valley Lake, in Washington Co. (Richard Orr's The Dragonflies and Damselflies of Maryland and the District of Columbia). This species is considered to be S2 (state rare).

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Resources

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Citations

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

An Eastern Ringtail in Washington Co., Maryland (7/28/2018). View Record Details Media by Frode Jacobsen.

A male Eastern Ringtail in Montgomery Co., Maryland (7/23/2015). View Record Details Media by Andy Martin.

An Eastern Ringtail in Montgomery Co., Maryland (8/30/2019). Determined by Ken Allison/BugGuide. View Record Details Media by Wendy R. Fredericks.

An Eastern Ringtail in Montgomery Co., Maryland (9/18/2010). View Record Details Media by Dave Roberts.

An Eastern Ringtail in Frederick Co., Maryland (9/2/2019). View Record Details Media by Tim Friedlander.

Eastern Ringtail in Montgomery Co., Maryland (7/30/2021). (c) Scot Magnotta, some rights reserved (CC BY-NC). View Record Details Media by Scot Magnotta via iNaturalist.

Eastern Ringtail in Montgomery Co., Maryland (7/20/2020). (c) Judy Gallagher, some rights reserved (CC BY-SA). View Record Details Media by Judy Gallagher.

Eastern Ringtail in Frederick Co., Maryland (9/4/2011). View Record Details Media by Mike Ostrowski.

A female Eastern Ringtail in Montgomery Co., Maryland (6/20/2010). View Record Details Media by Mike Ostrowski.

Eastern Ringtail in Montgomery Co., Maryland (6/17/2023). (c) lkeifer, some rights reserved (CC BY-NC). View Record Details Media by lkeifer via iNaturalist.

Eastern Ringtail in Montgomery Co., Maryland (6/23/2019). (c) daveczaplak, some rights reserved (CC BY-NC). View Record Details Media by Dave Czaplak.

An Eastern Ringtail in Washington Co., Maryland (8/28/2011). View Record Details Media by Mike Ostrowski.

Eastern Ringtail in Montgomery Co., Maryland (7/15/2021). (c) Scot Magnotta, some rights reserved (CC BY-NC). View Record Details Media by Scot Magnotta via iNaturalist.

Eastern Ringtail in Montgomery Co., Maryland (6/20/2022). (c) Scot Magnotta, some rights reserved (CC BY-NC). View Record Details Media by Scot Magnotta via iNaturalist.

An Eastern Ringtail in Montgomery Co., Maryland (6/24/2018). Determined by Kyle Kittelberger, and John and Jane Balaban via BugGuide. View Record Details Media by Jim Moore.

Eastern Ringtail in Frederick Co., Maryland (7/19/2020). (c) annagypsy, some rights reserved (CC BY-NC-SA). View Record Details Media by annagypsy via iNaturalist.

Eastern Ringtail in Montgomery Co., Maryland (Date obscured). (c) Josh Emm, some rights reserved (CC BY-NC). View Record Details Media by Josh Emm.

Eastern Ringtail in Washington Co., Maryland (7/26/2008). (c) Hans Holbrook, some rights reserved (CC BY-NC). View Record Details Media by Hans Holbrook.

Eastern Ringtail in Montgomery Co., Maryland (6/20/2022). (c) Scot Magnotta, some rights reserved (CC BY-NC). View Record Details Media by Scot Magnotta via iNaturalist.

Eastern Ringtail in Montgomery Co., Maryland (8/13/2023). (c) sychen, some rights reserved (CC BY-NC). View Record Details Media by sychen via iNaturalist.

Eastern Ringtail in Montgomery Co., Maryland (7/28/2019). (c) Scot Magnotta, some rights reserved (CC BY-NC). View Record Details Media by Scot Magnotta via iNaturalist.

An Eastern Ringtail in Montgomery Co., Maryland (8/4/2018). View Record Details Media by Lisa Shannon.

Eastern Ringtail in Montgomery Co., Maryland (7/19/2024). (c) lkeifer, some rights reserved (CC BY-NC). View Record Details Media by lkeifer via iNaturalist.

Eastern Ringtail in Frederick Co., Maryland (8/18/2020). (c) smuller, some rights reserved (CC BY-NC). View Record Details Media by Sue Muller.

Eastern Ringtail in Howard Co., Maryland (8/13/2005). (c) Hans Holbrook, some rights reserved (CC BY-NC). View Record Details Media by Hans Holbrook.

Eastern Ringtail in Montgomery Co., Maryland (7/29/2024). (c) Scot Magnotta, some rights reserved (CC BY-NC). View Record Details Media by Scot Magnotta via iNaturalist.

Eastern Ringtail in Frederick Co., Maryland (8/18/2020). (c) smuller, some rights reserved (CC BY-NC). View Record Details Media by Sue Muller.

Eastern Ringtail in Montgomery Co., Maryland (7/13/2025). (c) Beth Johnson, some rights reserved (CC BY-NC). View Record Details Media by Beth Johnson via iNaturalist.

Eastern Ringtail in Frederick Co., Maryland (8/14/2010). (c) Robert Ostrowski, some rights reserved (CC BY-NC). View Record Details Media by Robert Ostrowski via iNaturalist.