California Butterflies

Las Trampas Regional Wilderness, Contra Costa County, CA, USA

Date	7/18/2026, 7:30:00 PM
Duration	205 minutes
Surveyors	@kueda.net
Surveyors	1
Coordinates	37.8216102, -122.0496654
Protocol	California Butterflies

Targets (19 / 257)

• Unknown Skipper (family Hesperiidae)
  1
• Unknown Lycaenid (family Lycaenidae)
  2
• Unknown Nymphalid (family Nymphalidae)
  2
• Unknown Butterfly (superfamily Papilionoidea)
  6
• Common Checkered-Skipper and Allies (complex Burnsius communis)
  8
• Mountain Mahogany Hairstreak (Satyrium tetra)
  1
• Propertius Duskywing (Erynnis propertius)
  1
• Hedgerow Hairstreak (Satyrium saepium)
  26
• Checkered White (Pontia protodice)
  1
• Common Ringlet (Coenonympha california)
  18
• Pipevine Swallowtail (Battus philenor)
  7
• Cabbage White (Pieris rapae)
  1
• Acmon Blue (Icaricia acmon)
  23
• Gray Buckeye (Junonia grisea)
  9
• American Lady (Vanessa virginiensis)
  2
• Mylitta Crescent (Phyciodes mylitta)
  13
• Lorquin's Admiral (Limenitis lorquini)
  1
• Gray Hairstreak (Strymon melinus)
  1
• Mournful Duskywing (Erynnis tristis)
  9

Incidentals (1)

• Whites, Yellows, and Sulphurs (family Pieridae)
  1