Butterflies of North America - Colorado Hairstreak Photograph of a Colorado Hairstreak U.S. Geological Survey - Fort Collins Science Centerhttp://www.fort.usgs.gov/resources/education/butterfly/photos/ north_america/gossamer/co_hairstreak.asp- 7.6KB - USGS
Butterflies of North America - Gray Hairstreak (Strymon melinus) Photograph of a Gray Hairstreak - Strymon melinus U.S. Geological Survey - Fort Collins Science Centerhttp://www.fort.usgs.gov/resources/education/butterfly/photos/ north_america/gossamer/gray_hair.asp- 7.3KB - USGS
Butterflies of North America Photograph of an Anise Swallowtail (Papilio zelicaon) U.S. Geological Survey - Fort Collins Science Centerhttp://www.fort.usgs.gov/resources/education/butterfly/photos/ north_america/north_america.asp- 19.8KB - USGS
Butterflies of North America - Pacific/Sara Orange Tip (Anthocharis sara) Photograph of a Pacific Orange Tip - Anthocharis sara U.S. Geological Survey - Fort Collins Science Centerhttp://www.fort.usgs.gov/resources/education/butterfly/photos/ north_america/sulphur/OrangeTip.asp- 8.2KB - USGS
Butterflies of North America - Cabbage White/Butterfly (Pieris rapae) Photograph of a Cabbage White - Pieris rapae U.S. Geological Survey - Fort Collins Science Centerhttp://www.fort.usgs.gov/resources/education/butterfly/photos/ north_america/sulphur/cabbage.asp- 8.2KB - USGS
Butterflies of North America - Anise Swallowtail (Papilio zelicaon) Photograph of an Anise Swallowtail (Papilio zelicaon) U.S. Geological Survey - Fort Collins Science Centerhttp://www.fort.usgs.gov/resources/education/butterfly/photos/ north_america/Swallowtail/anise.asp- 8.1KB - USGS
Butterflies of North America - Greenish Blue (Plebejus saepiolus) Photograph of a Greenish Blue - Plebejus saepiolus U.S. Geological Survey - Fort Collins Science Centerhttp://www.fort.usgs.gov/resources/education/butterfly/photos/ north_america/gossamer/gr_blue.asp- 8.0KB - USGS
Butterflies of North America - Spicebush Swallowtail (Papilio troilus) Photograph of a Spicebush Swallowtail - Papilio troilus U.S. Geological Survey - Fort Collins Science Centerhttp://www.fort.usgs.gov/resources/education/butterfly/photos/ north_america/Swallowtail/spicebush.asp- 8.1KB - USGS
Butterflies of North America - Pipevine Swallowtail - Battus philenor) Photograph of a Spicebush Swallowtail - Papilio troilus U.S. Geological Survey - Fort Collins Science Centerhttp://www.fort.usgs.gov/resources/education/butterfly/photos/ north_america/Swallowtail/pipevine.asp- 8.2KB - USGS
Butterflies of North America - Silver-spotted Skipper (Epargyreus clarus) Photograph of a Silver-spotted Skipper - Epargyreus clarus U.S. Geological Survey - Fort Collins Science Centerhttp://www.fort.usgs.gov/resources/education/butterfly/photos/ north_america/skipper/silver-spot.asp- 8.3KB - USGS
Butterflies of North America - Tiger Swallowtail (Papilio glaucus) Photograph of a Tiger Swallowtail - Papilio glaucus U.S. Geological Survey - Fort Collins Science Centerhttp://www.fort.usgs.gov/resources/education/butterfly/photos/ north_america/Swallowtail/tiger.asp- 8.2KB - USGS
Butterflies of North America - American/Little Copper (Lycaena phlaeas) Photograph of an American Copper (Lycaena phlaeas) U.S. Geological Survey - Fort Collins Science Centerhttp://www.fort.usgs.gov/resources/education/butterfly/photos/ north_america/gossamer/amer_copper.asp- 8.1KB - USGS
Butterflies of North America - Sleepy Orange (Eurema nicippe) Photograph of a Sleepy Orange - Eurema nicippe U.S. Geological Survey - Fort Collins Science Centerhttp://www.fort.usgs.gov/resources/education/butterfly/photos/ north_america/sulphur/sleepy_o.asp- 8.2KB - USGS
Butterflies of North America - Checkered Skipper (Pyrgus communis) Photograph of a Checkered Skipper - Pyrgus communis U.S. Geological Survey - Fort Collins Science Centerhttp://www.fort.usgs.gov/resources/education/butterfly/photos/ north_america/skipper/check_skip.asp- 7.3KB - USGS
Butterflies of North America - Black Swallowtail (Papilio polyxenes) Photograph of a Black Swallowtail - Papilio polyxenes U.S. Geological Survey - Fort Collins Science Centerhttp://www.fort.usgs.gov/resources/education/butterfly/photos/ north_america/Swallowtail/bl_swall.asp- 7.3KB - USGS
Butterflies of Western Europe and Great Britain Photograph of an Anise Swallowtail (Papilio zelicaon) U.S. Geological Survey - Fort Collins Science Centerhttp://www.fort.usgs.gov/resources/education/butterfly/photos/europe/ europe.asp- 25.9KB - USGS
Butterflies of Central America Photograph of an Anise Swallowtail (Papilio zelicaon) U.S. Geological Survey - Fort Collins Science Centerhttp://www.fort.usgs.gov/resources/education/butterfly/photos/ latin_america/latin_america.asp- 21.0KB - USGS
Butterflies of Nevada -- Hypaurotis crysalus Distribution map, species photo, and species account of Colorado Hairstreak (Hypaurotis crysalus) in Nevada http://www.npwrc.usgs.gov/resource/distr/lepid/bflyusa/nv/338.htm- 6.1KB - USGS
Butterflies of Nevada -- Satyrium sylvinus Distribution map, species photo, and species account of Sylvan Hairstreak (Satyrium sylvinus) in Nevada http://www.npwrc.usgs.gov/resource/distr/lepid/bflyusa/nv/365.htm- 6.3KB - USGS
Butterflies of Nevada -- Callophrys comstocki Distribution map and species account of Desert Green Hairstreak (Callophrys comstocki) in Nevada http://www.npwrc.usgs.gov/resource/distr/lepid/bflyusa/nv/315.htm- 7.0KB - USGS
Butterflies of Nevada -- Satyrium californica Distribution map, species photo, and species account of California Hairstreak (Satyrium californica) in Nevada http://www.npwrc.usgs.gov/resource/distr/lepid/bflyusa/nv/356.htm- 6.7KB - USGS
Butterflies of Nevada -- Satyrium saepium Distribution map, species photo, and species account of Hedgerow Hairstreak (Satyrium saepium) in Nevada http://www.npwrc.usgs.gov/resource/distr/lepid/bflyusa/nv/364.htm- 6.5KB - USGS
Butterflies of California -- Callophrys comstocki Distribution map and species account of Desert Green Hairstreak (Callophrys comstocki) in California http://www.npwrc.usgs.gov/resource/distr/lepid/bflyusa/ca/315.htm- 8.4KB - USGS