A Selected List of Butterflies in
 
Washington State, 
British Columbia, and
central California

(including those during our "Pacific Coast" tour 
 annually in September)

A list compiled by Armas Hill



Numbers noted as (P:xx) refer to plates in the Peterson Field Guide to Eastern Butterflies, by Paul Opler & Vichai Malikul

Numbers noted as (K:xx) refer to pages in the Kaufman Focus Guide to Butterflies of North America, by Jim Brock & Kenn Kaufman

Codes:

BC: southern British Columbia, Canada
CC: central California, USA
WA: Washington State, USA
 
(i/E): introduced from Europe
(r): rare


Links:

Upcoming Pacific Coast Tour Itineraries

List of Birds during previous Pacific Coast Tours

Lists of Mammals during previous Pacific Coast Tours

Butterflies:

1. Canadian Tiger Swallowtail ______ BC,WA (K:21)
   Papilio canadensis
2. Western Tiger Swallowtail ______ BC,CC,WA  (K:23)
   Papilio rutulus 
3. Two-tailed Swallowtail ______ WA (P:16) (K:23)
   Papilio multicaudata
4. Pale Swallowtail ______ BC,CC,WA (K:25)
   Papilio eurymedon
5. Pipevine Swallowtail ______ CC (P:14) (K:27) 
   Battus philendor
6. Anise Swallowtail ______ BC,CC,WA (K:29)
   Papilio zelicaon 
7. Old World Swallowtail ______ WA (K:33)
   Papilio machaon
8. Indra Swallowtail ______ WA (K:35)
   Papilio indra
9. Clodius Parnassian ______ BC,WA (K:45)
   Parnassius clodius
10. Phoebus Parnassian ______ BC,WA (K:45)
    Parnassius phoebus
11. Cabbage White (or Cabbage Butterfly) (i/E) ______ BC,CC,WA (P:16) (K:47)
    Pieris rapae
12. Mustard White ______ BC,WA (K:47)
    Pieris napi
13. Checkered White ______ CC (K:49)
    Pontia protodice
14. Western White ______ BC,WA (K:49)
    Pontia occidentalis
15. Becker's White ______ WA (K:49)
    Pontia beckerii
16. Pine White ______ BC,CC (K:51) 
    Neophasia menapia
17. Large Marble ______ BC,CC,WA  (K:55) 
    Euchloe ausonides 
18. Sara Orangetip ______ BC,CC,WA (K:59) (flies in early spring)
    Anthocharis sara
19. Clouded Sulphur ______ BC,WA (K:61)
    Colias philodice
20. Orange Sulphur ______ BC,CC,WA (K:61)
    Colias eurytheme
21. Pink-edged Sulphur ______ BC,WA (K:63)
    Colias interior
22. Queen Alexandra's Sulphur  ______ WA(east) (K:63)
    Colias alexandra
23. Western Sulphur ______ BC,WA (K:63)
    Colias occidentalis
24. California Dogface ______ CC (K:69)
    Colias eurydice 
25. Dainty Sulphur ______ CC (K:71)
    Nathalis iole
26. Cloudless Sulphur ______ CC (K:75)
    Phoebis sennae
27. Great Copper ______ CC (K:83)
    Lycaena xanthoides
28. Purplish Copper ______ CC (K:85)
    Lycaena helloides
29. Ruddy Copper ______ WA(southeast) (K:87)
    Lycaena rubidus
30. Blue Copper ______ WA (K:87)
    Lycaena heteronea
31. Lilac-bordered Copper ______ BC,WA (K:89)
    Lycaena nivalis 
32. Mariposa Copper ______ BC,WA (K:89)
    Lycaena mariposa
33. Gorgon Copper ______ CC (K:91)
    Lycaena gorgon
34. Tailed Copper ______ CC (K:91)
    Lycaena arota
35. Gray Hairstreak ______ BC,CC,WA (P:3,8,24) (K:93)
    Strymon melinus
36. California Hairstreak ______ CC,WA(east) (K:99)
    Satyrium californica 
37. Sylvan Hairstreak ______ BC,CC,WA (K:99) (flies in late spring, early summer)
    Satyrium sylvinus 
38. Coral Hairstreak ______ WA(east) (K:99)
    Satyrium titus
39. Hedgerow Hairstreak ______ CC,WA (K:101)
    Satyrium saepium
40. Mountain Mahogany Hairstreak ______ CC (K:101)
    Satyrium tetra
41. Gold-Hunter's Hairstreak ______ CC (K:101)
    Satyrium auretorum
42. Behr's Hairstreak ______ WA (K:101)
    Satyrium behrii
43. Sooty Hairstreak ______ WA (K:101)
    Satyrium fuliginosum
44. Brown Elfin ______ BC,CC,WA (K:105)
    Callophrys augustinus
45. Western Pine Elfin ______ BC,CC,WA (K:107)
    Callophrys eryphon
46. Moss's Elfin ______ BC,CC,WA (K:107) (flies in the spring) 
    Callophrys mossii
47. Great Purple Hairstreak ______ CC (K:109)
    Atlides halesus
48. Golden Hairstreak ______ CC (K:109) 
    Habrodais grunnus  
49. Juniper ("Nelson's") Hairstreak ______ BC,CC,WA (K:111)
    Callophrys gryneus nelsoni
50. Bramble Hairstreak ______ CC,WA (K:113) (flies in the spring)
    Callophrys p. perplexa 
51. Sheridan's Hairstreak ______ WA (K:113) (flies in the spring)
    Callophrys sheridanii
52. Thicket Hairstreak ______ BC,CC,WA (K:115)
    Callophrys spinetorum
53. Johnson's Hairstreak ______ WA (K:115) 
    Callophrys johnsoni
54. Western Tailed-Blue ______ BC,CC,WA (K:125)
    Everes amyntula 
55. Silvery Blue ______ BC,CC,WA (K:125)
    Glaucopsyche lygdamus
56. Arrowhead Blue ______ CC,WA(east) (K:125)
    Glaucopsyche piasus
57. Marine Blue ______ CC (K:127)
    Leptotes marina
58. Western Pygmy-Blue ______ CC (K:127)
    Brephidium exile
59. Sonoran Blue ______ CC (K:129) (flies in the early spring)
    Philotes sonorensis
60. Spring Azure (*) ______ BC,CC,WA (K:131)
    Celastrina ladon
61. Acmon Blue ______ CC,WA (K:133)
    Plebejus acmon
62. Lupine Blue ______ CC (K:133)
    Plebejus lupinus
63. Boisduval's Blue ______ BC,CC,WA (K:135)
    Plebejus icarioides 
64. Greenish Blue ______ BC,WA (K:135)
    Plebejus saepiolus
65. Melissa Blue ______ WA(east) (K:135)
    Lycaeides melissa
66. Northern Blue ______ BC,WA (K:135)
    Lycaeides idas
67. Arctic Blue ______ BC,WA (K:137)
    Agriades glandon
68. Square-spotted Blue ______ CC,WA (K:139)
    Euphilotes battoides   
69. Dotted Blue ______ CC,WA (K:141)
    Euphilotes enoptes 
70. Morman Metalmark ______ CC,WA (K:149)
    Apodemia morma  
71. Great Spangled Fritillary ______ BC,WA (K:159) 
    Speyeria cybele 
72. Mormon Fritillary ______ BC,WA (K:161)
    Speyeria mormonia
73. Callippe Fritillary ______ CC,WA(east) (K:163)
    Speyeria callippe
74. Coronis Fritillary ______ CC,WA (K:163)
    Speyeria coronis
75. Zerene Fritillary ______ BC,WA (K:165)
    Speyeria zerene 
76. Hydaspe Fritillary ______ BC,WA (K:165)
    Speyeria hydaspe
77. Northwestern (very closely related to Atlantis) Fritillary ______ BC,WA (K:167)
    Speyeria hesperis 
78. Pacific Fritillary ______ BC,WA (K:169)
    Boloria epithore 
79. Silver-bordered Fritillary ______ BC,WA (K:171)
    Boloria selene
80. Purplish Fritillary ______ BC,WA (K:175)
    Boloria montinus
81. Northern Crescent ______ BC,WA (K:177)
    Phyciodes selenis
82. Field Crescent ______ BC,CC,WA (K:179)
    Phyciodes campestris
83. Mylitta Crescent ______ BC,CC,WA (K:179)
    Phyciodes mylitta
84. Pale Crescent ______ WA (K:179)
    Phyciodes pallida
85. Northern Checkerspot ______ CC,WA(east) (K:187)
    Chlosyne palla 
86. Gabb's Checkerspot ______ CC (K:187)
    Chlosyne gabbii
87. Hoffmann's Checkerspot ______ WA (K:187)
    Chlosyne hoffmanni
88. Leanira Checkerspot ______ CC (K:191)
    Thessalia leanira
89. Variable Checkerspot ______ BC,CC,WA (K:193)
    Euphydryas chalcedona 
90. Edith's Checkerspot ______ BC,CC,WA (K:195)
    Euphydryas editha
91. Satyr Comma ______ BC,CC,WA (K:197)
    Polygonia satyrus
92. Green Comma ______ BC,CC (K:199)
    Polygonia faunus
93. Hoary Comma ______ BC,CC,WA (K:199)
    Polygonia gracilis
94. Oreas Comma ______ BC,WA (K:199)
    Polygonia oreas
95. Compton Tortoiseshell ______ BC,WA (K:201)
    Nymphalis vaualbum
96. California Tortoiseshell ______ BC,CC,WA (K:201)
    Nymphalis californica
97. Milbert's Tortoiseshell ______ BC,CC,WA (K:201)
    Nymphalis milberti
98. Mourning Cloak ______ BC,CC,WA (K:203)
    Nymphalis antiopa
99. Red Admiral ______ BC,CC,WA (P:32) (K:203) 
    Vanessa atalania
100. American Lady ______ CC (P:10,32) (K:205) 
     Vanessa virginiensis
101. Painted Lady (*) ______ BC,CC,WA (K:205)
     Vanessa cardui
102. West Coast Lady ______ BC,CC,WA (K:205)
     Vanessa annabella
103. Common Buckeye ______ CC (K:207)
     Junonia coenia
104. Viceroy ______ WA(se) (K:211)
     Limenitis archippus
105. Lorquin's Admiral ______ BC,CC,WA (K:213)
     Limenitis lorquini 
106. California Sister ______ CC   (K:213)
     Adelpha bredowii 
107. Monarch ______ CC,WA (K:227)
     Danaus plexippus
108. Queen ______ CC (K:229)
     Danaus gilippus
109. Common Wood-Nymph ______ CC,WA (K:237) 
     Cercyonis pegala
110. Great Basin Wood-Nymph ______ CC,WA (K:237)
     Cercyonis sthenele 
111. Small Wood-Nymph ______ WA (K:237)
     Cercyonis oetus 
112. Common Ringlet ______ BC,WA (K:241)
     Coenonympha tullia
113. Common Alpine ______ BC,WA (K:243)
     Erebia epipsodea
114. Vidler's Alpine ______BC,WA (K:243) (a restricted range in alpine meadows of only BC & WA)
     Erebia vidleru  
115. Chryxus Arctic ______ BC,WA (K:249)
     Oeneis chryxus
116. Melissa Arctic ______ BC (K:251)
     Oeneis melissa
117. Great Arctic ______ BC,WA (K:253)
     Oeneis nevadensis
118. Silver-spotted Skipper ______ CC,WA (K:257)
     Epargyreus clarus
119. Northern Cloudywing ______ CC,WA (K:261)
     Thorybes bathyllus
120. Funereal Duskywing ______ CC (K:281)
     Erynnis funeralis
121. Propertius Duskywing ______ BC,CC,WA (K:283) 
     Erynnis propertius
122. Pacuvius Duskywing ______ CC,WA (K:283)
     Erynnis pacuvius
123. Mournful Duskywing ______ CC (K:283)
     Erynnis tristis
124. Dreamy Duskywing ______ BC,WA (K:285)
     Erynnis icelus
125. Perius Duskywing ______ (K:285)
     Erynnis persius
126. Common Checkered-Skipper ______ CC,WA (K:289) (can not be distinguished in the field from the White Checkered-Skipper)
     Pyrgus communis 
127. White-checkered Skipper ______ CC (K:289) (recently determined to be species distinct from the Common Checkered-Skipper) 
     Pyrgus albescens
128. Grizzled Skipper ______ BC,WA (K:289)
     Pyrgus centaureae
129. Two-banded Checkered-Skipper ______ BC,CC,WA (K:291)
     Pyrgus ruralis 
130. Small Checkered-Skipper ______ CC (K:291)
     Pyrgus scriptura
131. Northern White-Skipper ______ CC,WA(east) (K:293) 
     Heliopetes erictorum
132. Common Sootywing ______ CC,WA (K:299)
     Pholisora catullus
133. Arctic Skipper ______ BC,WA (K:301)
     Carterocephalus palaemon 
134. Fiery Skipper ______ CC (K:303)
     Hylephila phyleus
135. Sachem ______ CC (K:303)
     Atalopedes campestris
136. Common Branded Skipper ______ CC,WA (K:313)
     Hesperia comma 
137. Juba Skipper ______ WA (K:313)
     Hesperia juba
138. Columbian Skipper ______ CC (K:313)
     Hesperia columbia
139. Nevada Skipper ______ WA(south) (K:315)
     Hesperia nevada
140. Lindsey's Skipper ______ CC (K:315)
     Hesperia lindseyi
141. Sandhill Skipper ______ CC,WA (K:321)
     Polites sabuleti
142. Sonoran Skipper ______ WA (K:323)
     Polites sonora
143. Mardon Skipper ______ WA (K:323) (rare & local, flies in early summer)
     Polites mardon
144. Woodland Skipper ______ BC,CC,WA (K:329)
     Ochlodes sylvanoides 
145. Rural Skipper ______ CC (K:329)
     Ochlodes agricola
146. Yuma Skipper ______ CC (K:329)
     Ochlodes yuma
147. Umber Skipper ______ CC (K:329)
     Poanes melane
148. Common Roadside-Skipper ______ BC,WA (K:343)
     Amblyscirtes vialis
149. Eufala Skipper ______ CC (K:353)
     Lerodea eufala
     
     
     Some selected reference books regarding Butterflies:
     
     "Butterflies of North America", by Jim Brock & Kenn Kaufmann (with 2,200 images & 70 photographs)