Sighting for May 31, 2022
David H. Bartholomew
Long Ridge Open Space Preserve
San Mateo County, CA
- Pale Swallowtail 2
- Mustard White 3
- Sara Orangetip 1
- Spring Azure 2
- Acmon Blue 7
- Coronis Fritillary 3
- Pacific Fritillary 1
- Northern Checkerspot 5
- Field Crescent 2
- Mylitta Crescent 12
- Variable Checkerspot 7
- California Tortoiseshell 16
- Mourning Cloak 2
- Common Buckeye 3
- Lorquin's Admiral 5
- California Sister 3
- Common Ringlet 18
- Propertius Duskywing 2
- Mournful Duskywing 1
- Two-banded Checkered-Skipper 2
- Umber Skipper 1
Mylitta Crescent
Lorquin's Admiral
Field Crescent
Spring Azure
Spring Azure
Spring Azure
Coronis Fritillary
California Tortoiseshell
Acmon Blue
Pale Swallowtail
Two-banded Checkered-Skipper
Variable Checkerspot
A small isolated patch of flowering Oneleaf Onion was a major attractant for many butterflies, 10 species during the hour I was standing there watching.
Cyn Dusel-Bacon and friends joined me for awhile, finding the Two-Banded Checkered Skipper and confirming the presence of a Pacific Meadow Fritillary.