Status:  uncommon resident

Flights:  1, May-Jul

Distribution/known sites in Monterey County:  both coastal and interior ranges; Chalone Pks., Hasting’s Reserve

Habitats:  foothill chaparral, mixed woodlands

Host plants: mountain mahogany

Adult foodflower nectar, esp. buckwheat

Conservation: none needed


  1.   often found with hedgerow and other hairstreaks on host plant or flowers

  2.   formerly called gray hairstreak

  3.   male shorter tail, dark gray; female dark grayish-brown


Mountain mahogany hairstreak Satyrium tetra

Life history facts

egg: laid on twigs or leaves, singly or in small groups; hibernate until spring

larva: eat leaves


adult:  males perch on hilltop shrubs or valley host plants to watch for females

nectaring on buckwheat

n chalone peak