Cramer's Blue Butterfly
Natural History Museum, London/science Photo Library
Male Karner Blue Butterfly
Us Geological Survey/science Photo Library
Male Common Blue Butterfly
Bob Gibbons/science Photo Library
Two Male Common Blue Butterflies Roosting On Oxeye Daisy Bud
Bob Gibbons/science Photo Library
Two Male Common Blue Butterflies Roosting On Oxeye Daisy Bud #1
Bob Gibbons/science Photo Library
Common Blue Butterfly
John Devries/science Photo Library
Large Blue Butterfly On A Flower #1
Gustoimages/science Photo Library
Large Blue Butterfly On A Flower
Gustoimages/science Photo Library
Common Blue Butterfly
Richard Marpole/science Photo Library
Holly Blue Butterfly
Natural History Museum, London
Common Blue Butterfly #4
Heath Mcdonald
Common Blue Butterfly
Mike Mcnamee/science Photo Library
Large Blue Butterfly
Natural History Museum, London/science Photo Library
Adonis Blue Butterfly
John Devries/science Photo Library
Chalkhill Blue Butterfly
John Devries/science Photo Library
Chalkhill Blue Butterfly #1
John Devries/science Photo Library
Large Blue Butterfly
Gustoimages/science Photo Library
Common Blue Butterflies
Natural History Museum, London/science Photo Library
Chalkhill Blue Butterfly
Leslie J Borg/science Photo Library
Common Blue Butterfly
Tony Wood/science Photo Library
Common Blue Butterfly #1
Tony Wood/science Photo Library
Common Blue Butterfly #2
Tony Wood/science Photo Library
Common Blue Butterfly #3
Tony Wood/science Photo Library
Common Blue Butterfly
Dr. John Brackenbury/science Photo Library
Adonis Blue Butterfly
Natural History Museum, London/science Photo Library
Common Blue Butterflies
Dr. John Brackenbury/science Photo Library
Idas Blue Butterfly #1
Ozgur Kerem Bulur/science Photo Library
Idas Blue Butterfly #3
Ozgur Kerem Bulur/science Photo Library
Common Blue Butterfly
Colin Varndell/science Photo Library
Common Blue Butterfly
Natural History Museum, London/science Photo Library
Common Blue Butterfly #1
Natural History Museum, London/science Photo Library
Common Blue Butterfly #1
Colin Varndell/science Photo Library
Chalkhill Blue Butterflies Mating
Leslie J Borg/science Photo Library
Female Karner Blue Butterfly
Science Stock Photography/science Photo Library
Male Chalkhill Blue Butterfly
John Devries/science Photo Library
Male Chalkhill Blue Butterfly #1
John Devries/science Photo Library
Adonis Blue Butterflies On Knapweed
Bob Gibbons
Female Karner Blue Butterfly
Us Geological Survey/science Photo Library
Karner Blue Butterfly Chrysalis
Us Geological Survey/science Photo Library
Male Chalkhill Blue Butterfly
Leslie J Borg/science Photo Library
Common Blue Butterflies On Burnet Flower
Heath Mcdonald/science Photo Library
Viola X Wittrockiana Karma Blue Butterfly
Maria Mosolova/science Photo Library
Common Blue Butterfly Feeding On A Flower
Dr. John Brackenbury/science Photo Library
Common Blue Butterfly On Plantain Flower
Heath Mcdonald/science Photo Library
Male Silver-studded Blue Butterfly
Colin Varndell/science Photo Library
Male Silver-studded Blue Butterfly #1
Colin Varndell/science Photo Library
Female Silver-studded Blue Butterfly
Colin Varndell/science Photo Library
Butterflies
M F Merlet/science Photo Library
Indian Butterflies And Flowers #2
Natural History Museum, London/science Photo Library
Kim Goodger With Butterfly Specimen
Natural History Museum, London/science Photo Library
Karner Blue Caterpillar
Us Geological Survey
Brown Argus Butterfly #1
Heath Mcdonald
Chalkhill Blue Buttterfly
Leslie J Borg/science Photo Library
Chalkhill Blue Buttterfly #1
Leslie J Borg/science Photo Library
Idas Butterfly
Ozgur Kerem Bulur/science Photo Library
Blue Butterfly
Pekka Parviainen/science Photo Library
Common Blue Butterfly
Bob Gibbons/science Photo Library
Chalk-hill Blue Butterfly
Bob Gibbons/science Photo Library
Male Chalkhill Blue Butterfly
Bob Gibbons/science Photo Library
Mating Pair Of Chalk-hill Blue Butterfly
Bob Gibbons/science Photo Library
Female Chalk-hill Blue Butterfly
Bob Gibbons/science Photo Library
Male Adonis Blue Butterflies Feeding On Cow Manure
Bob Gibbons/science Photo Library
Nurse Holding An Iv Catheter
Digicomphoto/science Photo Library
Iv Catheter #1
Digicomphoto/science Photo Library
Asterope Leprieuri
Natural History Museum, London
Phacelia Californica Flower
Sally Mccrae Kuyper/science Photo Library
Yellow Meadow Ant
Steve Gschmeissner/science Photo Library
Coastal Hay Meadow Landscape
Lizzie Harper/science Photo Library
Madagascar Sunset Moth Wing Scale
Gerd Guenther/science Photo Library
Japanese Beetle Trap
Citizen Of The Planet/ucg/universal Images Group/science Photo Library
Japanese Beetle Trap #1
Citizen Of The Planet/ucg/universal Images Group/science Photo Library
Rhetenor blue morpho butterfly #1
Science Photo Library