Cloudless Sulphur Phoebis sennae (Linnaeus, 1758)    Synonyms: Cloudless Sulfur, Hodges #4228.
Kingdom Animalia   >   Phylum Arthropoda   >   Class Insecta   >   Order Lepidoptera   >   Family Pieridae   >   Genus Phoebis   

Status:

Cloudless Sulphur (Phoebis sennae) is a distinctively large, strong-flying powerful sulphur, prone to appearing north of its normal range. This butterfly has been recorded from almost every county in Maryland. Cloudless Sulphur primarily is found in Maryland from late summer into autumn, from July to October (Butterflies of Maryland: A Biological Summary and Checklist by Lynn Davidson & Richard Smith; Brock & Kaufman 2003; Allen 1997).

Relationships:

Its host plants (Chamaecrista sp. and Senna sp.) occur widely across the state. It may not be able to survive the winters in most of the state.

There are 417 records in the project database.

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A Cloudless Sulphur in St. Mary's Co., Maryland (10/4/2016). Photo by Mark Johnson. (MBP list)

A Cloudless Sulphur in Kent Co., Maryland (9/27/2012). Photo by Mark Johnson. (MBP list)

Excellent detail on a well-marked Cloudless Sulphur in Maryland (10/8/2010). Photo by Dan Haas. (MBP list)

A Cloudless Sulphur in Prince George's Co., Maryland (10/5/2017). Photo by Frode Jacobsen. (MBP list)

Cloudless Sulphurs in Dorchester Co., Maryland (8/8/2012). Photo by Nancy Magnusson. (MBP list)

A Cloudless Sulphur nectaring on Butterfly Weed in Dorchester Co., Maryland (7/30/2006). Photo by Jim Brighton. (MBP list)

A Cloudless Sulphur in Calvert Co., Maryland (5/18/2019). Photo by Ben Springer. (MBP list)

Cloudless Sulphur in Kent Co., Maryland (9/9/2022). Photo by Lydia Fravel. (MBP list)

A male Cloudless Sulphur in Worcester Co., Maryland (9/12/2013). Verified by David J. Ferguson/BugGuide. Photo by Scott Housten. (MBP list)

Cloudless Sulphur in Prince George's Co., Maryland (10/3/2020). (c) rauvbbj, some rights reserved (CC BY-NC). Photo by rauvbbj via iNaturalist. (MBP list)

Cloudless Sulphur in Anne Arundel Co., Maryland (10/6/2012). (c) Frode Jacobsen, some rights reserved (CC BY-NC). Photo by Frode Jacobsen. (MBP list)

A Cloudless Sulphur in Talbot Co., Maryland (7/24/2017). Photo by Jared Satchell. (MBP list)

Cloudless Sulphur in Anne Arundel Co., Maryland (9/15/2019). (c) Timothy Reichard, all rights reserved. Photo by Timothy Reichard. (MBP list)

Cloudless Sulphur in Worcester Co., Maryland (10/1/2006). Photo by Gary Van Velsir. (MBP list)

A Cloudless Sulphur in Anne Arundel Co., Maryland (7/9/2017). Photo by Sue Muller. (MBP list)

Cloudless Sulphurs in Anne Arundel Co., Maryland (9/29/2019). Photo by Lynn Strauss. (MBP list)

Cloudless Sulphur in Anne Arundel Co., Maryland (7/30/2017). (c) Timothy Reichard, all rights reserved. Photo by Timothy Reichard. (MBP list)

Cloudless Sulphur in Anne Arundel Co., Maryland (7/28/2019). (c) Stephen John Davies, some rights reserved (CC BY-NC). Photo by Stephen John Davies via iNaturalist. (MBP list)

Cloudless Sulphur in Anne Arundel Co., Maryland (7/28/2019). (c) Stephen John Davies, some rights reserved (CC BY-NC). Photo by Stephen John Davies via iNaturalist. (MBP list)

A Cloudless Sulphur in Anne Arundel Co., Maryland (10/21/2012). Photo by Bill Hubick. (MBP list)

Cloudless Sulphur in Anne Arundel Co., Maryland (8/30/2020). (c) Timothy Reichard, all rights reserved. Photo by Timothy Reichard. (MBP list)

A Cloudless Sulphur in on a Cardinal Flower Worcester Co., Maryland (8/24/2012). Photo by Nancy Magnusson. (MBP list)

Cloudless Sulphur in Anne Arundel Co., Maryland (8/30/2020). (c) Timothy Reichard, all rights reserved. Photo by Timothy Reichard. (MBP list)

Cloudless Sulphur in Prince George's Co., Maryland (10/3/2020). (c) rauvbbj, some rights reserved (CC BY-NC). Photo by rauvbbj via iNaturalist. (MBP list)

A Cloudless Sulphur in Washington Co., Maryland (9/28/2019). Photo by Jim Moore. (MBP list)

Cloudless Sulphur in Calvert Co., Maryland (9/8/2022). (c) rosalie-rick, all rights reserved. Photo by rosalie-rick via iNaturalist. (MBP list)

A Cloudless Sulphur caterpillar in Calvert Co., Maryland (9/4/2017). Photo by Bob Cammarata. (MBP list)

Cloudless Sulphur larva in Anne Arundel Co., Maryland (6/18/2019). (c) Judy Gallagher, some rights reserved (CC BY). Photo by Judy Gallagher. (MBP list)

Cloudless Sulphur larva in Prince George's Co., Maryland (8/19/2020). (c) rauvbbj, some rights reserved (CC BY-NC). Photo by rauvbbj via iNaturalist. (MBP list)

Cloudless Sulphur larva in Dorchester Co., Maryland (8/8/2020). (c) rborchelt, some rights reserved (CC BY-NC). Photo by rborchelt via iNaturalist. (MBP list)

Cloudless Sulphur in Frederick Co., Maryland (9/6/2020). (c) eadamo, some rights reserved (CC BY-NC). Photo by eadamo via iNaturalist. (MBP list)

A Cloudless Sulphur caterpillar pupating in Calvert Co., Maryland (9/4/2017). Photo by Bob Cammarata. (MBP list)

A Cloudless Sulphur caterpillar in Anne Arundel Co., Maryland (9/5/2017). Photo by Tyler Bell. (MBP list)

Cloudless Sulphur in Howard Co., Maryland (8/20/2020). (c) Heather Stiltner, some rights reserved (CC BY-NC). Photo by Heather Stiltner via iNaturalist. (MBP list)

A Cloudless Sulphur in Montgomery Co., Maryland (10/10/2019). Photo by Wendy R. Fredericks. (MBP list)

A Cloudless Sulphur chrysalis in Anne Arundel Co., Maryland (9/5/2017). Photo by Tyler Bell. (MBP list)

A Cloudless Sulphur caterpillar in Anne Arundel Co., Maryland (7/25/2019). Photo by Tyler Bell. (MBP list)

A Cloudless Sulphur caterpillar in Anne Arundel Co., Maryland (9/2/2019). Photo by Matthew Beziat. (MBP list)

A Cloudless Sulphur caterpillar in Calvert Co., Maryland (8/23/2019). Photo by Ben Springer. (MBP list)

Phoebis sennae caterpillar in Kent Co., Maryland (8/18/2022). Photo by Lydia Fravel. (MBP list)

A chrysalis of a Cloudless Sulphur in Howard Co., Maryland (9/22/2016). Photo by Jim Wilkinson. (MBP list)

Cloudless Sulphur in Montgomery Co., Maryland (8/26/2020). (c) wildlymistaken, some rights reserved (CC BY-NC-SA). Photo by wildlymistaken via iNaturalist. (MBP list)


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