Status:    uncommon resident

Flights:  1+, Mar-Oct?

Distribution/known sites in Monterey County:  coastal Santa Lucia lowlands; Big Creek Reserve, Partington Creek, Pt. Lobos Reserve, Robinson Cyn. Rd., Andrew Molera State Park, Hatton Cyn.

Habitats:  open, weedy fields, roadsides, glades in foothills

Host plants:  asters

Adult fooddogbanes, milkweeds, thistles, mints, etc.

Conservation: secure globally


  1.   some pops show seasonal polyphenism: later, summer forms may show more black above than forms from overwintered larvae

  2.   flies low over the ground

  3.   variable; antennal tips dark brown-black; FW below often shows pale bar in cell


Field crescent Phyciodes campestris

Life history facts

egg: laid in large batches on underside of host plant leaves

larva: eats leaves; young sometimes live in loose web; partially grown caterpillars hibernate


adult:  males patrol just above vegetation during the day

big creek reserve