Butterflies on San Bruno Mountain
Observations of butterflies on San Bruno Mountain ecological reserve. This area is topped with a four mile long ridge with lots of hiking trails. The mountain is a host for several rare and endangered butterflies. In the 1960s, a nonprofit organization called Save the Bay prevented developers ...more ↓
Acmon Blue
The Acmon Blue (Plebejus acmon) is a North American butterfly. It ranges mainly in California but can be seen north to Oregon and south through Baja California. The tops of the wings are blue with dark edges in males and brown in females. Its underside is white with black spots for both sexes with a red-orange band on the hindwing. Adults feed on nectar while caterpillars can ...more ↓
Silvery Blue
The Silvery Blue (Glaucopsyche lygdamus) is a small butterfly native to North America. Upperside is a light blue in males, a dull grayish blue in females. Underside is gray with single row of round spots of differing sizes depending upon region.
eastern tailed blue
The Eastern Tailed-blue or Eastern Tailed Blue (Cupido comyntas), also known as Everes comyntas, is a common butterfly of eastern North America. Males are generally blue on the upperside of their wings while females are lighter blue to brown or charcoal in coloring, but there are also varieties of purple and pink found in both sexes. The underside coloration ranges ...more ↓
Hedgerow Hairstreak
The Hedgerow Hairstreak (Satyrium saepium) is a butterfly of the Lycaenidae family. It is found in western North America, from British Columbia south through California into Baja California and east through northern Arizona to northern New Mexico, Colorado and Montana.
mission blue butterfly
The Mission Blue (Aricia icarioides missionensis) is a blue or lycaenid butterfly subspecies native to the San Francisco Bay Area of the United States. The butterfly has been declared as endangered by the US Federal Government. It is a subspecies of Boisduval's Blue (Aricia icarioides).
Boisduval's Blue
Boisduval's Blue (Aricia icarioides) is a butterfly of the Lycaenidae family found in North America.
Moss's Elfin
The Moss's Elfin (also Stonecrop Elfin and Schryver's Elfin) (Callophrys mossii) is a butterfly native to North America that belongs in the family Lycaenidae. It is found from British Columbia south to southern California and east to Wyoming and Colorado in isolated populations. The habitat consists of rocky outcrops, woody canyons and cliffs.
Bramble Green Hairstreak
The Coastal Green Hairstreak, Bramble Green Hairstreak, or Bluish Green Hairstreak (Callophrys dumetorum) is butterfly of the Lycaenidae family. It is found in coastal California and rarely in inland California. Subspecies oregonensis is known as the Oregon Green Hairstreak.
