Cloudless Sulphur

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.

 

Cloudless Sulphur (2.25–3.1″)
Cloudless Sulphur
Rare: L Aug – M Sep Open fields Senna, partridge pea Sennas


45CloudlessSulphur_293

September 14, 2013
Mount Pleasant
Linda Hunt

Mount Pleasant

October 12, 2016
Mount Pleasant
Bonnie Ott

Oxford Square

Male & Female
September 17, 2016
Elkridge
Jim Wilkinson

September 4, 2019
Font Hill Wetland Park
Kelsey Welons

September 4, 2019
Font Hill Wetland Park
Kelsey Wellons

August 7, 2020
Oxford Square
Jim Wilkinson

August 7, 2020
Oxford Square
Jim Wilkinson

45CloudlessSulphur_caterpillar-RNC-9Aug2012

Caterpillar
August 9, 2012
Robinson Nature Center
Cheryl Farfaras

Caterpillar
August 17, 2020
Mount Pleasant
Annette Allor

Caterpillar
August 17, 2020
Mount Pleasant
Annette Allor

Caterpillar
August 17, 2020
Mount Pleasant
Annette Allor

Caterpillar
August 17, 2020
Mount Pleasant
Annette Allor

Caterpillar
August 23, 2021
Ellicott City
Kevin Heffernan

Caterpillar
August 23, 2021
Ellicott City
Kevin Heffernan

Oxford Square

Chrysalis
September 16, 2016
Elkridge
Jim Wilkinson

Individuals seen in each 10-day period to date during the butterfly survey

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: 5/29/2019 and 5/29/2020 Late: 11/26/2019