Map Snapshot
30 Records
Status
Palamedes Swallowtails are highly state rare (S1) and are considered endangered in Maryland. Confined to the coastal plain, Palamedes Swallowtails are rare breeders in southern Worcester County where their host plant reaches its northern limits. Palamedes Swallowtails occasionally wander north up the Chesapeake Bay and Potomac River.
Relationships
In Maryland, the host plant for the Palamedes Swallowtail is Swamp Bay (Persea palustris).
Seasonality Snapshot
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A Palamedes Swallowtail in Baltimore Co., Maryland (8/18/2018).
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Media by
Gale Janiszewski.
A Palamedes Swallowtail in Worcester Co., Maryland (7/25/2015).
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Media by
Jim Brighton.
A Palamedes Swallowtail in Worcester Co., Maryland (7/25/2015).
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Media by
Jim Brighton.
Palamedes Swallowtails nectaring on Swamp Milkweed in Worcester Co., Maryland (7/25/2015).
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Media by
Jim Brighton.
A Palamedes Swallowtail in Worcester Co., Maryland (7/20/2013).
Media by
Annette Allor.
A Palamedes Swallowtail in Worcester Co., Maryland (7/20/2013).
Media by
Annette Allor.
Palamedes Swallowtail in Worcester Co., Maryland (8/9/2021). (c) celastrina, some rights reserved (CC BY-NC).
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Media by
celastrina via iNaturalist.
Palamedes Swallowtail in Worcester Co., Maryland (Date obscured). (c) aaronr, some rights reserved (CC BY-NC).
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Media by
Aaron via iNaturalist.
Palamedes Swallowtail in Worcester Co., Maryland (8/4/2021). (c) tomfeild, some rights reserved (CC BY-NC).
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Media by
Tom Feild.