USFWS National Digital Library

- San Bruno Elfin butterfly egg
- Insects; Endangered species; Plants;
- A San Bruno Elfin butterfly egg shown here was deposited on its host plant, stonecrop (Sedum spathulifolium).
- Images
- San Bruno Elfin butterfly egg
- Insects; Endangered species; Plants;
- A San Bruno Elfin butterfly egg shown here was deposited on its host plant, stonecrop (Sedum spathulifolium).
- Images
- San Bruno Elfin larvae
- Insects; Endangered species; Plants;
- A San Bruno Elfin larvae coexists harmoniously with ants on its host plant, stonecrop (Sedum spathulifolium).
- Images
- San Bruno Elfin larvae
- Insects; Endangered species; Plants;
- A San Bruno Elfin larvae coexists harmoniously with ants on its host plant, stonecrop (Sedum spathulifolium).
- Images
- San Bruno Elfin larvae
- Insects; Endangered species; Plants;
- A San Bruno Elfin larvae coexists harmoniously with ants on its host plant, stonecrop (Sedum spathulifolium).
- Images
- Bay Checkerspot butterfly
- Endangered species; Insects;
- An endangered Bay Checkerspot butterfly rests on a flower.
- Images
- Bay Checkerspot butterfly
- Endangered species; Insects;
- Dorsal view of the endangered Bay Checkerspot butterfly.
- Images
- Callippe Silverspot butterfly
- Endangered species; Insects;
- A view of the endangered Callippe Silverspot butterfly.
- Images
- Lange's Metalmark butterfly
- Endangered species; Insects;
- A close-up view of an endangered Lange's Metalmark butterfly with a damaged wing.
- Images
- Lange's Metalmark butterfly
- Endangered species; Insects;
- The endangered Lange's Metalmark butterfly blends in with the surrounding plant life.
- Images
- Lange's Metalmark butterfly
- Endangered species; Insects;
- Dorsal view of an endangered Lange's Metalmark butterfly.
- Images
- Lange's Metalmark butterfly
- Endangered species; Insects;
- Ventral view of an endangered Lange's Metalmark butterfly.
- Images
- Bay Checkerspot butterfly
- Endangered species; Insects;
- Dorsal view of the endangered Bay Checkerspot butterfly
- Images
- Myrtle's Silverspot butterfly
- Endangered species; Insects;
- The endangered Myrtle's Silverspot butterfly looks beautiful surrounded by colorful plants.
- Images
- Myrtle's Silverspot butterfly
- Endangered species; Insects;
- The endangered Myrtle's Silverspot butterfly looks beautiful surrounded by colorful plants.
- Images
- Mission Blue butterfly-male
- Endangered species; Insects;
- A close-up image of the endangered Mission Blue butterfly.
- Images
- Mission Blue butterfly egg
- Endangered species; Insects;
- A close-up image of the endangered Mission Blue butterfly egg.
- Images
- Mission Blue Butterfly_Male
- Insects; Endangered species;
- A stunning, close-up view of a Mission Blue Butterfly. This species was added to the Endangered Species list on June 8, 1976.
- Images
- Mission Blue Butterfly
- Insects; Endangered species;
- A stunning, close-up view of a Mission Blue Butterfly. This species was added to the Endangered Species list on June 8, 1976.
- Images
- Mission Blue Butterfly_Female
- Insects; Endangered species;
- A stunning, close-up view of a Mission Blue Butterfly. This species was added to the Endangered Species list on June 8, 1976.
- Images