Wildflower Archive
Dainty sulphur (Nathalis iole)
CC0 · iNaturalist

Pollinator

Dainty sulphur

Nathalis iole

North America's smallest sulphur, a scrap of yellow low to the ground.

Family
Pieridae (whites and sulphurs)
Wingspan
0.75 to 1.25 in (2 to 3.2 cm)
Flight season
Much of the year in the South; migrates north
Range
Southern United States, wandering north
Caterpillar food
Low composites (beggarticks, sneezeweed)
Conservation
Secure and widespread

The dainty sulphur is the smallest of the North American sulphurs, a tiny wash of yellow and black that flies close to the ground in open, sunny places.

Unable to survive hard winters, it recolonizes the north each year from the South, sometimes reaching far into the plains.

Dainty sulphur caterpillar
The caterpillar feeds on low composites such as beggarticks. Andrew Meeds · CC BY (iNaturalist)

Caterpillars feed on low composites such as beggarticks and sneezeweed.

Plants for the dainty sulphur

1 caterpillar host plant and 38 documented nectar plants. Pick a role, then narrow with the filters below.

38 plants

Nectar
Common Sunflower1 of 2
Common Sunflower Helianthus annuus
Nectar
Eastern redbud1 of 3
Eastern redbud Cercis canadensis
Nectar
American century plant1 of 2
American century plant Agave americana
Nectar
American trumpet vine1 of 2
American trumpet vine Campsis radicans
Nectar
Yellow trumpet flower
Yellow trumpet flower Tecoma stans
Nectar
Wild bergamot1 of 3
Wild bergamot Monarda fistulosa
Nectar
Tall blue wild indigo1 of 3
Tall blue wild indigo Baptisia australis
Nectar
Firewheel1 of 3
Firewheel Gaillardia pulchella
Nectar
American plum1 of 2
American plum Prunus americana
Nectar
Broadleaf arrowhead1 of 2
Broadleaf arrowhead Sagittaria latifolia
Nectar
False sunflower1 of 3
False sunflower Heliopsis helianthoides
Nectar
New England aster1 of 2
New England aster Symphyotrichum novae-angliae
Nectar
Blue vervain1 of 2
Blue vervain Verbena hastata
Nectar
Turkey tangle frogfruit1 of 2
Turkey tangle frogfruit Phyla nodiflora
Nectar
Autumn sage1 of 2
Autumn sage Salvia greggii
Nectar
Snow-on-the-mountain1 of 2
Snow-on-the-mountain Euphorbia marginata
Nectar
Plains coreopsis1 of 3
Plains coreopsis Coreopsis tinctoria
Nectar
Golden currant1 of 3
Golden currant Ribes aureum
Nectar
Showy milkweed1 of 2
Showy milkweed Asclepias speciosa
Nectar
Golden Alexanders1 of 2
Golden Alexanders Zizia aurea
Host + Nectar
Common sneezeweed1 of 2
Common sneezeweed Helenium autumnale
Nectar
Banana Yucca
Banana Yucca Yucca baccata
Nectar
Maximilian sunflower1 of 3
Maximilian sunflower Helianthus maximiliani
Nectar
Coulter's matilija poppy1 of 2
Coulter's matilija poppy Romneya coulteri
Nectar
Carolina rose1 of 2
Carolina rose Rosa carolina
Nectar
Nodding onion1 of 4
Nodding onion Allium cernuum
Nectar
Manyflower marshpennywort1 of 2
Manyflower marshpennywort Hydrocotyle umbellata
Nectar
Aspen fleabane1 of 2
Aspen fleabane Erigeron speciosus
Nectar
Desert agave1 of 2
Desert agave Agave deserti
Nectar
Field goldenrod1 of 2
Field goldenrod Solidago nemoralis
Nectar
Sticky geranium1 of 3
Sticky geranium Geranium viscosissimum
Nectar
Rocky Mountain zinnia1 of 2
Rocky Mountain zinnia Zinnia grandiflora
Nectar
Whorled Coreopsis1 of 2
Whorled Coreopsis Coreopsis verticillata
Nectar
Missouri goldenrod
Missouri goldenrod Solidago missouriensis
Nectar
Red dome blanketflower1 of 2
Red dome blanketflower Gaillardia pinnatifida
Nectar
Lemonscent1 of 2
Lemonscent Pectis angustifolia
Nectar
Hollyleaved barberry
Hollyleaved barberry Mahonia aquifolium
Nectar
Lyre-leaf greeneyes
Lyre-leaf greeneyes Berlandiera lyrata

Sources