Sighting for April 19, 2016
David H. Bartholomew
Rancho San Antonio Open Space Preserve
Santa Clara County, CA
- Pale Swallowtail 9
- Mustard White 1
- Sara Orangetip 7
- Bramble Hairstreak 1
- Brown Elfin 2
- Spring Azure 7
- Acmon Blue 2
- Northern Checkerspot 6
- Variable Checkerspot 45
- Red Admiral 1
- Common Buckeye 11
- Lorquin's Admiral 9
- California Sister 1
- Common Ringlet 64
- Propertius Duskywing 1
- Mournful Duskywing 4
- Persius Duskywing 1
- Umber Skipper 2
Warm day, thin overcast in the afternoon. Chalcedon Checkerspots & Common Ringlets were common.