Status:  rare resident

Flights:  1+?, Mar-Sep?

Distribution/known sites in Monterey County:  inner coast range (Gabilans): Chalone Pks., Parkfield area; upper Pine Cyn. Rd.

Habitats:  coniferous forest openings, foothills and mountains

Host plants:  dwarf mistletoe on conifers

Adult foodmale mud-puddles, both sexes nectar at buckwheats & composites

Conservationnone needed


  1.   often sits on warm pavement

  2.   males spend much time in crowns of conifers

  3.   male steel-blue above with wide, dark margins; female wider margins, restricted blue esp. FW

Thicket hairstreak Callophrys spinetorum

Life history facts

egg: laid singly on mistletoe

larva: feeds on all parts of mistletoe

pupa: hibernates in mistletoe mass

adult:  males seek females on hilltop trees

dirt road in parkfield area mudding