Sighting for May 18, 2017
David H. Bartholomew
Rancho San Antonio Open Space Preserve
Santa Clara County, CA
- Western Tiger Swallowtail 2
- Pale Swallowtail 12
- Cabbage White 5
- Sara Orangetip 2
- California Hairstreak 2
- Spring Azure 25
- Northern Checkerspot 11
- Mylitta Crescent 6
- Variable Checkerspot 178
- California Tortoiseshell 5
- American Lady 2
- Painted Lady 1
- Common Buckeye 1
- Lorquin's Admiral 34
- California Sister 2
- Common Ringlet 42
- Propertius Duskywing 4
- Mournful Duskywing 2
- Umber Skipper 4
Pleasantly warm day, enjoyed seeing 4 very fresh California Tortoiseshells. Unfortunately the Open Space people have begun mowing the trail-side vegetation, which does not bode well for future butterflying at Rancho San Antonio this season.