Status:    uncommon resident

Flights:  1, Mar-Jun


Distribution/known sites in Monterey County:  interior foothills and mountains; Hasting’s reserve, Arroyo Seco, Chalone Pks., Parkfield


Habitats:  sea level to treeline, diverse habitats - chaparral, meadows, open woods

Host plants:  owl’s clover, indian warrior, indian paintbrush, pentstemon, chinese houses

Adult foodflower nectar


Conservation: secure globally, except some ssp.; Bay checkerspot E. e. bayensis, and Quino checkerspot E. e. quino are endangered


Remarks: 

  1.   difficult to separate from variable checkerspot

  2.   along Pacific coast, redder overall than E. chalcedona

  3.   occasionally found on serpentine soils in coastal CA

  4.   up to 21 ssp., well studied: Paul Ehrlich, population studies

  5.   always lacks white off-center abdominal spots found on    checkerspot, and often has black on lower half of antennal club

 
 

Edith’s checkerspot Euphydryas editha

Life history facts


egg: laid in large groups on underside of host plant leaves or flowers

larva: eat leaves and flowers, sometimes use different host plants before and after hibernation; young live in loose silk webs, 3rd and 4th stages hibernate

pupa:

adult:  perch or patrol all day to locate fem., hilltop in some areas

nectaring on buckwheat

n. Chalone peak