Status:  uncommon resident

Flights:  1, May-Jun

Distribution/known sites in Monterey County: Santa Lucias: Arroyo Seco, Jamesburg Rd., Big Creek, Nacimiento Rd; Gabilans: Parkfield, Lewis Creek Rd.

Habitats:  oak woodland, chaparral with oaks, lone oak trees in fields

Host plants: oaks (Quercus, several spp.), esp. blue oak, scrub oak

Adult foodnectars at CA buckeye, dogbane, milkweeds, buckwheat, horehound

Conservation: Santa Monica Mtns. ssp fumosum threatened by urbanization


  1.   often common at flowers near host

  2.   named by Boisduval, who described it at time of gold rush

  3.   male has shorter tail, FW pointed, upperside light reddish-brown; female with yellowish tinge


Gold-hunter’s hairstreak Satyrium auretorum

Life history facts

egg: laid singly on stems, hibernate until spring

larva: feed on tender young leaves


adult:  males perch on treetops, sometimes patrol for females

s carmel valley rd