Sighting for June 6, 2016

John Heyse

Donner and Back Creek Canyons, Mt. Diablo
Contra Costa County, CA

with David Rawlinson, 85F
- part of the Mt. Diablo butterfly count
- plus one unidentified vanessid
One might think that this count is typical, but, for example, two other parties saw over 500 Gorgon Coppers!

  • Western Tiger Swallowtail 5
  • Two-tailed Swallowtail 8
  • Pale Swallowtail 1
  • Mustard White 2
  • Great Copper 2
  • Gorgon Copper 3
  • Gray Hairstreak 1
  • Spring Azure 13
  • Acmon Blue 5
  • Northern Checkerspot 1
  • Mylitta Crescent 14
  • Variable Checkerspot 55
  • Painted Lady 1
  • Common Buckeye 8
  • Lorquin's Admiral 3
  • California Sister 4
  • Common Ringlet 11
  • Monarch 1
  • Rural Skipper 22