Butterflies of North Carolina:
their Distribution and Abundance

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Scientific Name begins with:
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Once on a species account page, clicking on the "View PDF" link will show the flight data for that species, for each of the three regions of the state.
Other information, such as high counts and earliest/latest dates, can also been seen on the PDF page.

Related Species in PIERIDAE:
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comNameCheckered White by Paul Hart => Raven Rock State Park, 2003-06-10
[View PDF]
Click to enlarge
[Google Images]     BoA [Images ]
sciNamePontia protodice
Link to BAMONA species account.
mapClick on a county for list of all database records for the species in that county.
distributionDISTRIBUTION: Nearly statewide, but records scattered, with no records for nearly half of the counties. Primarily found in the Piedmont, at least at the present time. There is a surprising scarcity of records for the Coastal Plain, especially as the species is more numerous in the states south of NC than to the north. Several new county records in the mountains and foothills were made in 2011, though these might all relate to strays wandering from the Piedmont into these higher areas. Four additional counties had first records in 2017, including singles each in the mountains and Coastal Plain.
abundanceABUNDANCE: Rare resident -- mainly in the Piedmont --and declining at an alarming rate. Some records (especially in the mountains and near the coast) may be of migrants. Certainly more numerous 20 or more years ago. Very rare to rare in the mountains and (surprisingly) very rare in nearly all of the Coastal Plain; most numerous now in the Piedmont, where locally common until several years ago in Wake County, but a very good find in most areas. Now declining due to loss of agricultural areas to development or abandonment. Thankfully, an excellent 21 records came from the state in 2017, though many were from Wake and Alamance counties. Sadly, there were very few records in 2018-19, and just one record in the entire state in 2019 -- from the mountains no less -- signals a major concern that it may be heading for extirpation as a breeder in the state. The State Rank of S1S2 might need to be moved to a precarious S1 in upcoming years.
flightFLIGHT PERIOD: March into November (exceptionally in February and December), with three or more broods. The first brood is rather scarce in NC, occurring from March to mid-May. The primary flights (second, third, and possibly fourth broods) occur between late May and early November; more data are needed in the Coastal Plain and mountains, but there is a surprising near-absence of Coastal Plain records between mid-July and the end of September.
habitatHABITAT: Open country, particularly waste lots, alfalfa fields, weedy croplands, and other brushy habitats with many flowers (often introduced species); some bare ground is often present. The Cabbage White is typically present where the Checkered White is found, but the reverse is seldom true.
See also Habitat Account for General Successional Fields and Forblands
plantsFOOD AND NECTAR PLANTS: The primary foodplants are mustards (Brassicaceae); peppergrass/pepperweed (Lepidium spp.) are important species in NC. I have seen a female ovipositing on Lepidium campestre in Wake County. The species nectars frequently, on both native and introduced species.
commentsCOMMENTS: This is a species shrouded in mystery. It is difficult to understand the scarcity of a butterfly that feeds on plants in the mustard family. Part of the scarcity of records can be attributed to the difficulty of identifying male Checkered Whites in flight; Cabbage Whites occur in the same habitats, and the two can be easily confused in flight. These two whites are quite "flighty" and often do not readily perch, and they must be followed for many hundred yards until they land.

Butterfliers had been finding large numbers in the past 25 years in extensive croplands and pastures on NC State University property in Wake County, but some of these fields have recently been lost to development and road construction; sadly, the species has been difficult to find in this county in the past few years. As a result, the NC Natural Heritage Program started tracking the species (in 2008) at sites where it is believed to be resident. People should search the largest fields and pastures in their local area for this species.
state_statusSR - S1S2

Links to other butterfly galleries: [Cook] [Lynch] [Pippen] [Pugh]
Photo Gallery for Checkered White
Photo by: Roger Rittmaster
Comment: Durham Co.; female
Checkered White - Click to enlarge
Photo by: Pete Dixon
Comment: November 6, 2020. Madison Co.
Checkered White - Click to enlarge
Photo by: Sven Halling
Comment: Macon Co., 2018-May-13. Female ovipositing on Lepidium virginicum
Checkered White - Click to enlarge
Photo by: Teddy Wilcox
Comment: 2017-May-08. Blue Ridge Parkway; male
Checkered White - Click to enlarge
Photo by: Gene Schepker
Comment: female. Oct 20, 2014
Checkered White - Click to enlarge
Photo by: Bud Webster
Comment: male, Sep 9, 2011
Checkered White - Click to enlarge
Photo by: Bud Webster
Comment: male, Sep 21, 2011
Checkered White - Click to enlarge
Photo by: Bud Webster
Comment: female, Sep 9, 2011
Checkered White - Click to enlarge
Photo by: Doug Allen
Comment: male, SC
Checkered White - Click to enlarge
Photo by: Sven Halling
Comment: Aug 28, 2013, Allison Woods, Iredell County; female
Checkered White - Click to enlarge