Sulphurs and Whites of Maine
(Kingdom Animalia, Phylum Arthropoda, Class Hexapoda, Order Lepidoptera, Family Pieridae)


(updated 17 September 2020)




Maine is home to 10 species in 5 genera. If you know which species you have or are interested in learning about, click on the appropriate link from the species list below. Otherwise, to determine which genus your sulphur or white belongs to, refer to the table below the species list.

   Pontia (1 species)
      Pontia protodice - checkered white
   Pieris (2 species)
      Pieris rapae - cabbage white
      Pieris oleracea - mustard white
   Colias (3 species)
      Colias philodice - clouded sulphur
      Colias eurytheme - alfalfa butterfly
      Colias interior - pink-edged sulphur
   Phoebis (3 species)
      Phoebis sennae - cloudless sulphur
      Phoebis philea - orange-barred sulphur
      Phoebis argarithe - large orange sulphur
   Pyrisitia (1 species)
      Pyrisitia lisa - little sulphur




red font = character state unique or nearly so principal color(s) char. 2 wingspan (mm) char. 4 char. 5
Pontia protodice) white with black 44–62
Pieris white 34–58
Colias yellow 48–70
Phoebis yellow 63–98 no report after 1995
Pyrisitia lisa) pale yellow rare stray


Pontia (white)
[information to be added]

Pontia protodice (checkered white) - [information to be added]


Pieris (white)
[information to be added]

forewing tip color char. 2 wingspan (mm) char. 4 char. 5 char. 6
P. rapae black 45–58
P. oleracea white 34–57

Pieris rapae (cabbage white) - [information to be added]

Pieris oleracea (mustard white) - [information to be added]


Colias (sulphur)
[information to be added]

red font = character state unique or nearly so char. 1 char. 2 wingspan (mm) char. 4 char. 5 char. 6
C. philodice 50–70
C. eurytheme 48–68
C. interior 48–66

Colias philodice (clouded sulphur)

(click on image to enlarge)

Colias eurytheme (alfalfa butterfly) - [information to be added]

Colias interior (pink-edged sulphur) - One subspecies (laurentina) has been reported from Maine.


Phoebis (sulphur)
All three species below are rare strays, with no reports from Maine after 1995.

red font = character state unique or nearly so char. 1 char. 2 wingspan (mm) char. 4 char. 5 char. 6
P. sennae 63–78
P. philea 68–98
P. agarithe 70–86

Phoebis sennae (cloudless sulphur) - One subspecies (eubule) has been reported from Maine.

Phoebis philea (orange-barred sulphur) - [information to be added]

Phoebis agarithe (large orange sulphur) - One subspecies (maxima) has been reported from Maine.


Pyrisitia ([?])
[information to be added]

Pyrisitia lisa (little sulphur) - rare stray