Paul Prappas:
Yuba River, Sierra Nevada Field Campus
Paul Prappas:
Clodius Parnassian (Parnassius clodius)
Paul Prappas:
Clodius Parnassian (Parnassius clodius)
Paul Prappas:
Western Tiger Swallowtail (Papilio rutulus)
Paul Prappas:
Pale Swallowtail (Papilio zelicaon)
Paul Prappas:
Western White (Pontia occidentalis)
Paul Prappas:
Western White (Pontia occidentalis)
Paul Prappas:
Orange Sulphur (Colias eurytheme)
Paul Prappas:
Edith's Copper (Tharsalea editha)
Paul Prappas:
Edith's Copper (Tharsalea editha)
Paul Prappas:
Gorgon Copper (Tharsalea gorgon)
Paul Prappas:
Tailed Copper (Tharsalea arota)
Paul Prappas:
Tailed Copper (Tharsalea arota)
Paul Prappas:
Tailed Copper (Tharsalea arota)
Paul Prappas:
Tailed Copper (Tharsalea arota)
Paul Prappas:
Lilac-bordered Copper (Tharsalea nivalis)
Paul Prappas:
Lilac-bordered Copper (Tharsalea nivalis)
Paul Prappas:
Lilac-bordered Copper (Tharsalea nivalis)
Paul Prappas:
Lilac-bordered Copper (Tharsalea nivalis)
Paul Prappas:
Golden Hairstreak (Hypaurotis grunus)
Paul Prappas:
Golden Hairstreak (Hypaurotis grunus)
Paul Prappas:
California Hairstreak (Satyrium californica)
Paul Prappas:
Sylvan Hairstreak (Satyrium sylvinus)
Paul Prappas:
California Hairstreak (top) Behr's Hairstreak (bottom)
Paul Prappas:
Hedgerow Hairstreak (Satyrium saepium)
Paul Prappas:
Hedgerow Hairstreak (Satyrium saepium)
Paul Prappas:
Behr's Hairstreak (Satyrium behrii)
Paul Prappas:
Nelson's Hairstreak (Callophrys gryneus nelsoni)
Paul Prappas:
Johnson's Hairstreak (Satyrium johnsoni)
Paul Prappas:
Johnson's Hairstreak (Satyrium johnsoni)
