Callophrys mossii

Callophrys mossii, commonly known as Moss's elfin, stonecrop elfin or Schryver's elfin, is a species of butterfly native to North America 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.^[1]

Moss's elfin
Callophrys mossii ssp. bayensis
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Lepidoptera
Family:	Lycaenidae
Genus:	Callophrys
Species:	C. mossii
Binomial name
Callophrys mossii (H. Edwards, 1881)
Subspecies
Six, see text
Synonyms
Thecla irus var. mossii H. Edwards, 1881 Incisalia mossii Incisalia polios schryveri Cross, 1937 Incisalia doudoroffi dos Passos, 1940 Incisalia doudoroffi windi Clench, 1943 Callophrys (Incisalia) fotis bayensis Brown, 1969

The wingspan is 22–28 mm. Adults are on wing from March to June in one generation per year.

The larvae feed on Sedum (including S. spathulifolium and S. lanceolatum), Sedella, Dudleya and Parvisedum species.

Subspecies

Listed alphabetically:^[2]

• C. m. bayensis (Brown, 1939) – San Bruno elfin (California)
• C. m. doudoroffi dos Passos, 1940 (California)
• C. m. hidakupa Emmel, Emmel & Mattoon, 1998 (California)
• C. m. marinensis Emmel, Emmel & Mattoon, 1998 (California)
• C. m. mossii (Vancouver Island)
• C. m. schryveri (Cross, 1937) (Colorado)
• C. m. windi (Clench, 1943) (California)