Pipevine Swallowtail
Place name abbreviations: MPEA – Middle Patuxent Environment Area; PRSP – Patuxent River State Park; PVSP – Patapsco River Valley State Park.
Click on the common name to obtain additional information from the Butterflies and Moths of North America web page and the following common name for additional information from USGS web page. BugGuide is another web resource.
Legend:
| Common name [Link is to BAMONA] (wingspan range in inches) Common name [link is to USGS] |
Occurrence level & flight period. | |
| Habitat. | Typically visits (for nectaring). | Larval host plants. |
| Pipevine Swallowtail (2.75–5″) Pipevine Swallowtail |
Uncommon/Rare: M Apr-M Nov | Fields & marshes near woods | Swamp milkweed | Dutchman’s pipe, Va. snakeroot | |
Male
July 31, 2025
Haviland Mill Park
Kurt Schwarz
Male
August 20, 2017
Mount Pleasant
Kevin Heffernan
Male
July 9, 2025
Haviland Mill Park
Clayton Koonce
Female
July 1, 2011
Manor Woods E.S.
Richard Orr
Egg
June 22, 2017
Ellicott City
Barbara White
Eggs
June 25, 2017
Ellicott City
Barbara White
July 4, 2017
Ellicott City
Barbara White
Caterpillars
July 9, 2017
Ellicott City
Grazina McClure
Photos of eggs above:
Egg in first photo is on native pipevine (Aristolochia fimbriata). Eggs in second photo are on non-native (Aristolochia clematitis).
The phenograms show the maximum number of individual butterflies of this species seen in the first eight years of the Howard County Butterfly Survey. From these graphs, one can see the number of broods of each species, when they are active, and the relative abundance of the species in each brood. The observed early and late dates are shown below The graphs can be used to anticipate the first sighting of a given species in the year and can help with identification.
Early: 4/29/2017 Late: 11/16/2020