A female Eastern Tiger Swallowtail in Howard Co., Maryland (8/4/2013).

View Record Details Photo by Richard Orr MBP List

An Eastern Tiger Swallowtail in Harford Co., Maryland (8/9/2015).

View Record Details Photo by Barbara Speckart MBP List

A dark morph female Eastern Tiger Swallowtail in Frederick Co., Maryland (8/20/2013).

View Record Details Photo by Richard Orr MBP List

An Eastern Tiger Swallowtail in Howard Co., Maryland (7/19/2015).

View Record Details Photo by Kevin Heffernan MBP List

An Eastern Tiger Swallowtail in Baltimore Co., Maryland (8/19/2014).

View Record Details Photo by Frode Jacobsen MBP List

An Eastern Tiger Swallowtail in Prince George's Co., Maryland (9/5/2016).

View Record Details Photo by Jim Moore MBP List

An Eastern Tiger Swallowtail in Prince George's Co., Maryland (4/29/2015).

View Record Details Photo by Barbara Thurlow MBP List

An Eastern Tiger Swallowtail found nectaring on Pickerweed in Worcester Co., Maryland (7/15/2006).

View Record Details Photo by Jim Brighton MBP List

An Eastern Tiger Swallowtail flying in Baltimore Co., Maryland (8/8/2014).

View Record Details Photo by Frode Jacobsen MBP List

A dark-form female Eastern Tiger Swallowtail in Frederick Co., Maryland (4/24/2014).

View Record Details Photo by Richard Orr MBP List

An Eastern Tiger Swallowtail in Montgomery Co., Maryland (7/18/2015).

View Record Details Photo by Dave Kidwell MBP List

An intermediate form female Eastern Tiger Swallowtail in Dorchester Co., Maryland (9/4/2016).

View Record Details Photo by Jim Brighton MBP List

An intermediate form female Eastern Tiger Swallowtail in Frederick Co., Maryland (8/20/2013).

View Record Details Photo by Richard Orr MBP List

Several Eastern Tiger Swallowtails "puddling" in Garrett Co., Maryland (5/3/2015).

View Record Details Photo by Jim Stasz MBP List

Eastern Tiger Swallowtail in Montgomery Co., Maryland (8/14/2022). (c) piscsuresque, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 624932 - Psn: 32)

Eastern Tiger Swallowtail in Montgomery Co., Maryland (8/14/2022). (c) piscsuresque, some rights reserved (CC BY-NC).

View Record Details Photo by piscsuresque via iNaturalist MBP List

Eastern Tiger Swallowtail in Anne Arundel Co., Maryland (8/23/2015). (c) botanygirl, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by/4.0/'>CC BY</a>). (Photo ID: 232349 - Psn: 35)

Eastern Tiger Swallowtail in Anne Arundel Co., Maryland (8/23/2015). (c) botanygirl, some rights reserved (CC BY).

View Record Details Photo by botanygirl via iNaturalist MBP List

An Eastern Tiger Swallowtail (right) with Zebra Swallowtail (left) in Washington Co., Maryland (5/17/2014).

View Record Details Photo by Linda Lewis MBP List

Eastern Tiger Swallowtail in Washington Co., Maryland (8/5/2017). (c) botanygirl, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by/4.0/'>CC BY</a>). (Photo ID: 243793 - Psn: 42)

Eastern Tiger Swallowtail in Washington Co., Maryland (8/5/2017). (c) botanygirl, some rights reserved (CC BY).

View Record Details Photo by botanygirl via iNaturalist MBP List

Eastern Tiger Swallowtail in Anne Arundel Co., Maryland (6/8/2019). (c) Timothy Reichard, all rights reserved. (Photo ID: 261038 - Psn: 44)

View Record Details Photo by Timothy Reichard MBP List

Eastern Tiger Swallowtails in Harford Co., Maryland (7/25/2019).

View Record Details Photo by Josh Emm MBP List

Eastern Tiger Swallowtail in Montgomery Co., Maryland (6/12/2021). (c) Holly J., some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 394193 - Psn: 45)

Eastern Tiger Swallowtail in Montgomery Co., Maryland (6/12/2021). (c) Holly J., some rights reserved (CC BY-NC).

View Record Details Photo by hollyjaro via iNaturalist MBP List

Eastern Tiger Swallowtail in Washington Co., Maryland (7/19/2015). (c) botanygirl, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by/4.0/'>CC BY</a>). (Photo ID: 232351 - Psn: 50)

Eastern Tiger Swallowtail in Washington Co., Maryland (7/19/2015). (c) botanygirl, some rights reserved (CC BY).

View Record Details Photo by botanygirl via iNaturalist MBP List

An Eastern Tiger Swallowtail in Washington Co., Maryland (7/21/2019).

View Record Details Photo by Mark Etheridge MBP List

An early instar caterpillar of an Eastern Tiger Swallowtail on Sweetbay in Wicomico Co., Maryland (6/15/2013).

View Record Details Photo by Jim Brighton MBP List

Eastern Tiger Swallowtail in Baltimore Co., Maryland (8/1/2020). (c) Frode Jacobsen, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 346712 - Psn: 74)

Eastern Tiger Swallowtail in Baltimore Co., Maryland (8/1/2020). (c) Frode Jacobsen, some rights reserved (CC BY-NC).

View Record Details Photo by Frode Jacobsen MBP List

An Eastern Tiger Swallowtail in Worcester Co., Maryland (3/28/2013).

View Record Details Photo by Scott Housten MBP List

An Eastern Tiger Swallowtail larva in Harford Co., Maryland (10/15/2016).

View Record Details Photo by Dave Webb MBP List

An Eastern Tiger Swallowtail caterpillar feeding on Sweetbay in St. Mary's Co., Maryland (6/2/2019).

View Record Details Photo by Josh Emm MBP List

A dark morph Eastern Tiger Swallowtail in Montgomery Co., Maryland (8/15/2021). (c) Gary House, some rights reserved (<a rel='license' href='https://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 434060 - Psn: 88)

A dark morph Eastern Tiger Swallowtail in Montgomery Co., Maryland (8/15/2021). (c) Gary House, some rights reserved (CC BY-NC).

View Record Details Photo by Gary House via iNaturalist MBP List

An Eastern Tiger Swallowtail prepares to pupate on a Black Cherry leaf in Howard Co., Maryland (8/24/2013).

View Record Details Photo by Richard Orr MBP List

An Eastern Tiger Swallowtail caterpillar in Garrett Co., Maryland (8/14/2011).

View Record Details Photo by Boyer and McDowell MBP List

An Eastern Tiger Swallowtail in Anne Arundel Co., Maryland (8/1/2019).

View Record Details Photo by David Illig MBP List

A rare bilateral gynandromorph Eastern Tiger Swallowtail in Montgomery Co., Maryland (7/14/2020). (c) daveczaplak, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 303444 - Psn: 100)

A rare bilateral gynandromorph Eastern Tiger Swallowtail in Montgomery Co., Maryland (7/14/2020). (c) daveczaplak, some rights reserved (CC BY-NC).

View Record Details Photo by Dave Czaplak MBP List

Eastern Tiger Swallowtail in Anne Arundel Co., Maryland (8/1/2019).

View Record Details Photo by David Illig MBP List

Eastern Tiger Swallowtail in Howard Co., Maryland (9/28/2019). (c) Judy Gallagher, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 629176 - Psn: 115)

Eastern Tiger Swallowtail in Howard Co., Maryland (9/28/2019). (c) Judy Gallagher, some rights reserved (CC BY-NC).

View Record Details Photo by Judy Gallagher MBP List

An Eastern Tiger Swallowtail caterpillar in Frederick Co., Maryland (9/17/2020).

View Record Details Photo by Mark Etheridge MBP List

Eastern Tiger Swallowtail falling prey to a Dragonhunter in Garrett Co., Maryland (Date obscured). (c) Josh Emm, some rights reserved (<a rel='license' href='https://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 593026 - Psn: 155)

Eastern Tiger Swallowtail falling prey to a Dragonhunter in Garrett Co., Maryland (Date obscured). (c) Josh Emm, some rights reserved (CC BY-NC).

View Record Details Photo by Josh Emm MBP List

Eastern Tiger Swallowtail in Allegany Co., Maryland (4/15/2022). (c) rborchelt, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 551172 - Psn: 187)

Eastern Tiger Swallowtail in Allegany Co., Maryland (4/15/2022). (c) rborchelt, some rights reserved (CC BY-NC).

View Record Details Photo by rborchelt via iNaturalist MBP List

Eastern Tiger Swallowtail in Allegany Co., Maryland (4/15/2022). (c) rborchelt, some rights reserved (CC BY-NC).

View Record Details Photo by rborchelt via iNaturalist MBP List

Eastern Tiger Swallowtail in Baltimore Co., Maryland (7/10/2021). (c) wendyjalexander, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc-nd/4.0/'>CC BY-NC-ND</a>). (Photo ID: 411050 - Psn: 200)

Eastern Tiger Swallowtail in Baltimore Co., Maryland (7/10/2021). (c) wendyjalexander, some rights reserved (CC BY-NC-ND).

View Record Details Photo by Wendy Alexander MBP List

Eastern Tiger Swallowtail in Baltimore Co., Maryland (8/21/2021). (c) sentientone, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 434640 - Psn: 200)

Eastern Tiger Swallowtail in Baltimore Co., Maryland (8/21/2021). (c) sentientone, some rights reserved (CC BY-NC).

View Record Details Photo by sentientone via iNaturalist MBP List

Eastern Tiger Swallowtail in Frederick Co., Maryland (7/20/2023). (c) bratliff5, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 850122 - Psn: 200)

Eastern Tiger Swallowtail in Frederick Co., Maryland (7/20/2023). (c) bratliff5, some rights reserved (CC BY-NC).

View Record Details Photo by bratliff5 via iNaturalist MBP List

Eastern Tiger Swallowtail in Montgomery Co., Maryland (7/14/2023). (c) karyorelicta, all rights reserved. (Photo ID: 850198 - Psn: 200)

View Record Details Photo by karyorelicta via iNaturalist MBP List

Eastern Tiger Swallowtail in Harford Co., Maryland (7/21/2023). (c) jmcardle, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 850199 - Psn: 200)

Eastern Tiger Swallowtail in Harford Co., Maryland (7/21/2023). (c) jmcardle, some rights reserved (CC BY-NC).

View Record Details Photo by jmcardle via iNaturalist MBP List

Eastern Tiger Swallowtail in Anne Arundel Co., Maryland (8/19/2023). (c) Cathy Fahey, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 870848 - Psn: 200)

Eastern Tiger Swallowtail in Anne Arundel Co., Maryland (8/19/2023). (c) Cathy Fahey, some rights reserved (CC BY-NC).

View Record Details Photo by Cathy Fahey via iNaturalist MBP List

Eastern Tiger Swallowtail in Prince George's Co., Maryland (5/14/2016). (c) Brittany Mason, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 1087482 - Psn: 200)

Eastern Tiger Swallowtail in Prince George's Co., Maryland (5/14/2016). (c) Brittany Mason, some rights reserved (CC BY-NC).

View Record Details Photo by Brittany Mason via iNaturalist MBP List

Eastern Tiger Swallowtail in Calvert Co., Maryland (8/24/2024). (c) Tonyia Johnson, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 1087486 - Psn: 200)

Eastern Tiger Swallowtail in Calvert Co., Maryland (8/24/2024). (c) Tonyia Johnson, some rights reserved (CC BY-NC).

View Record Details Photo by tonyiajohnson via iNaturalist MBP List

An Eastern Tiger Swallowtail caterpillar in Howard Co., Maryland (8/31/2018).

View Record Details Photo by Bob Cammarata MBP List

Eastern Tiger Swallowtails in Baltimore Co., Maryland (6/1/2021).

View Record Details Photo by Richard Crook MBP List

An Eastern Tiger Swallowtail caterpillar in Garrett Co., Maryland (9/15/2019).

View Record Details Photo by Boyer and McDowell MBP List

Map Snapshot

3,937 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 Tiger Swallowtail (Papilio glaucus) is a widespread and common butterfly, found throughout Maryland. The pale yellow coloration, with blackish striping, is distinctive in most of our area. In western Maryland, care needs to be taken in discerning Eastern Tiger Swallowtail from Appalachian Tiger Swallowtail (Papilio appalachiensis), which is very similar.

Relationships

Host plants include a variety of species including American Hornbeam, White Ash, Green Ash, Common Spicebush, Tulip Poplar, Sweetbay, Quaking Aspen, Black Cherry, Chokecherry, Black Oak, Sassafras, Common Lilac, and American Basswood (Database of the World's Lepidopteran Hostplants).

Seasonality Snapshot

Resources

View at iNaturalist View at Nature Serve Search Google Images Search MBP Facebook posts

View images at BugGuide

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

A female Eastern Tiger Swallowtail in Howard Co., Maryland (8/4/2013). View Record Details Media by Richard Orr.

An Eastern Tiger Swallowtail in Harford Co., Maryland (8/9/2015). View Record Details Media by Barbara Speckart.

A dark morph female Eastern Tiger Swallowtail in Frederick Co., Maryland (8/20/2013). View Record Details Media by Richard Orr.

An Eastern Tiger Swallowtail in Howard Co., Maryland (7/19/2015). View Record Details Media by Kevin Heffernan.

An Eastern Tiger Swallowtail in Baltimore Co., Maryland (8/19/2014). View Record Details Media by Frode Jacobsen.

An Eastern Tiger Swallowtail in Prince George's Co., Maryland (9/5/2016). View Record Details Media by Jim Moore.

An Eastern Tiger Swallowtail in Prince George's Co., Maryland (4/29/2015). View Record Details Media by Barbara Thurlow.

An Eastern Tiger Swallowtail found nectaring on Pickerweed in Worcester Co., Maryland (7/15/2006). View Record Details Media by Jim Brighton.

An Eastern Tiger Swallowtail flying in Baltimore Co., Maryland (8/8/2014). View Record Details Media by Frode Jacobsen.

A dark-form female Eastern Tiger Swallowtail in Frederick Co., Maryland (4/24/2014). View Record Details Media by Richard Orr.

An Eastern Tiger Swallowtail in Montgomery Co., Maryland (7/18/2015). View Record Details Media by Dave Kidwell.

An intermediate form female Eastern Tiger Swallowtail in Dorchester Co., Maryland (9/4/2016). View Record Details Media by Jim Brighton.

An intermediate form female Eastern Tiger Swallowtail in Frederick Co., Maryland (8/20/2013). View Record Details Media by Richard Orr.

Several Eastern Tiger Swallowtails "puddling" in Garrett Co., Maryland (5/3/2015). View Record Details Media by Jim Stasz.

Eastern Tiger Swallowtail in Montgomery Co., Maryland (8/14/2022). (c) piscsuresque, some rights reserved (CC BY-NC). View Record Details Media by piscsuresque via iNaturalist.

Eastern Tiger Swallowtail in Anne Arundel Co., Maryland (8/23/2015). (c) botanygirl, some rights reserved (CC BY). View Record Details Media by botanygirl via iNaturalist.

An Eastern Tiger Swallowtail (right) with Zebra Swallowtail (left) in Washington Co., Maryland (5/17/2014). View Record Details Media by Linda Lewis.

Eastern Tiger Swallowtail in Washington Co., Maryland (8/5/2017). (c) botanygirl, some rights reserved (CC BY). View Record Details Media by botanygirl via iNaturalist.

Eastern Tiger Swallowtails in Harford Co., Maryland (7/25/2019). View Record Details Media by Josh Emm.

Eastern Tiger Swallowtail in Montgomery Co., Maryland (6/12/2021). (c) Holly J., some rights reserved (CC BY-NC). View Record Details Media by hollyjaro via iNaturalist.

Eastern Tiger Swallowtail in Washington Co., Maryland (7/19/2015). (c) botanygirl, some rights reserved (CC BY). View Record Details Media by botanygirl via iNaturalist.

An Eastern Tiger Swallowtail in Washington Co., Maryland (7/21/2019). View Record Details Media by Mark Etheridge.

An early instar caterpillar of an Eastern Tiger Swallowtail on Sweetbay in Wicomico Co., Maryland (6/15/2013). View Record Details Media by Jim Brighton.

Eastern Tiger Swallowtail in Baltimore Co., Maryland (8/1/2020). (c) Frode Jacobsen, some rights reserved (CC BY-NC). View Record Details Media by Frode Jacobsen.

An Eastern Tiger Swallowtail in Worcester Co., Maryland (3/28/2013). View Record Details Media by Scott Housten.

An Eastern Tiger Swallowtail larva in Harford Co., Maryland (10/15/2016). View Record Details Media by Dave Webb.

An Eastern Tiger Swallowtail caterpillar feeding on Sweetbay in St. Mary's Co., Maryland (6/2/2019). View Record Details Media by Josh Emm.

A dark morph Eastern Tiger Swallowtail in Montgomery Co., Maryland (8/15/2021). (c) Gary House, some rights reserved (CC BY-NC). View Record Details Media by Gary House via iNaturalist.

An Eastern Tiger Swallowtail prepares to pupate on a Black Cherry leaf in Howard Co., Maryland (8/24/2013). View Record Details Media by Richard Orr.

An Eastern Tiger Swallowtail caterpillar in Garrett Co., Maryland (8/14/2011). View Record Details Media by Boyer and McDowell.

An Eastern Tiger Swallowtail in Anne Arundel Co., Maryland (8/1/2019). View Record Details Media by David Illig.

A rare bilateral gynandromorph Eastern Tiger Swallowtail in Montgomery Co., Maryland (7/14/2020). (c) daveczaplak, some rights reserved (CC BY-NC). View Record Details Media by Dave Czaplak.

Eastern Tiger Swallowtail in Anne Arundel Co., Maryland (8/1/2019). View Record Details Media by David Illig.

Eastern Tiger Swallowtail in Howard Co., Maryland (9/28/2019). (c) Judy Gallagher, some rights reserved (CC BY-NC). View Record Details Media by Judy Gallagher.

An Eastern Tiger Swallowtail caterpillar in Frederick Co., Maryland (9/17/2020). View Record Details Media by Mark Etheridge.

Eastern Tiger Swallowtail falling prey to a Dragonhunter in Garrett Co., Maryland (Date obscured). (c) Josh Emm, some rights reserved (CC BY-NC). View Record Details Media by Josh Emm.

Eastern Tiger Swallowtail in Allegany Co., Maryland (4/15/2022). (c) rborchelt, some rights reserved (CC BY-NC). View Record Details Media by rborchelt via iNaturalist.

Eastern Tiger Swallowtail in Baltimore Co., Maryland (7/10/2021). (c) wendyjalexander, some rights reserved (CC BY-NC-ND). View Record Details Media by Wendy Alexander.

Eastern Tiger Swallowtail in Baltimore Co., Maryland (8/21/2021). (c) sentientone, some rights reserved (CC BY-NC). View Record Details Media by sentientone via iNaturalist.

Eastern Tiger Swallowtail in Frederick Co., Maryland (7/20/2023). (c) bratliff5, some rights reserved (CC BY-NC). View Record Details Media by bratliff5 via iNaturalist.

Eastern Tiger Swallowtail in Harford Co., Maryland (7/21/2023). (c) jmcardle, some rights reserved (CC BY-NC). View Record Details Media by jmcardle via iNaturalist.

Eastern Tiger Swallowtail in Anne Arundel Co., Maryland (8/19/2023). (c) Cathy Fahey, some rights reserved (CC BY-NC). View Record Details Media by Cathy Fahey via iNaturalist.

Eastern Tiger Swallowtail in Prince George's Co., Maryland (5/14/2016). (c) Brittany Mason, some rights reserved (CC BY-NC). View Record Details Media by Brittany Mason via iNaturalist.

Eastern Tiger Swallowtail in Calvert Co., Maryland (8/24/2024). (c) Tonyia Johnson, some rights reserved (CC BY-NC). View Record Details Media by tonyiajohnson via iNaturalist.

An Eastern Tiger Swallowtail caterpillar in Howard Co., Maryland (8/31/2018). View Record Details Media by Bob Cammarata.

Eastern Tiger Swallowtails in Baltimore Co., Maryland (6/1/2021). View Record Details Media by Richard Crook.

An Eastern Tiger Swallowtail caterpillar in Garrett Co., Maryland (9/15/2019). View Record Details Media by Boyer and McDowell.

Source: Wikipedia

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Eastern Tiger Swallowtail

Pterourus glaucus Linnaeus, 1758

Synonyms

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