SURVEY
California Butterflies

Juniper camp to summit, Mount Diablo State Park, Contra Costa County, CA, USA

Date 6/27/2026, 7:47:13 PM
Duration 167 minutes
Surveyors 1
Coordinates

37.879561800000005, -121.92360135

Protocol

California Butterflies

Targets (10 / 253)

  • Unknown Skipper (family Hesperiidae)
    2
  • Unknown Nymphalid (family Nymphalidae)
    2
  • Unknown Butterfly (superfamily Papilionoidea)
    1
  • Propertius Duskywing (Erynnis propertius)
    2
  • Hedgerow Hairstreak (Satyrium saepium)
    1
  • Common Ringlet (Coenonympha california)
    2
  • Acmon Blue (Icaricia acmon)
    9
  • Gray Buckeye (Junonia grisea)
    1
  • Callippe Fritillary (Argynnis callippe)
    1
  • Pale Swallowtail (Papilio eurymedon)
    2

Incidentals (1)

  • Duskywings (Erynnis)
    1