Butterflies and Moths of San Mateo County
Most Recent Sightings in San Mateo County

Mourning Cloak
Nymphalis antiopa
Observed: Mar 08, 2025
Submitted by: Chris415
Verified: Mar 12, 2025
Verified by: jwileyrains

Gray Hairstreak
Strymon melinus
Observed: Jul 28, 2024
Submitted by: anicholsatgmail
Verified: Jul 31, 2024
Verified by: Ken Davenport

Satyr Comma
Polygonia satyrus
Observed: Jun 30, 2024
Submitted by: bkbrott
Verified: Jul 01, 2024
Verified by: Ken Davenport

Oreas Comma
Polygonia oreas
Observed: Apr 21, 2024
Submitted by: TomPeterson
Verified: Apr 22, 2024
Verified by: Ken Davenport

Oreas Comma
Polygonia oreas
Observed: Apr 21, 2024
Submitted by: icosahedron
Verified: Jun 19, 2024
Verified by: Ken Davenport

Two-banded Checkered-Skipper
Pyrgus ruralis
Observed: Apr 18, 2024
Submitted by: Dobber31
Verified: Apr 19, 2024
Verified by: Ken Davenport

Moss' Elfin
Callophrys mossii
Observed: Mar 16, 2024
Submitted by: Dobber31
Verified: Mar 17, 2024
Verified by: Ken Davenport

Margined White
Pieris marginalis
Observed: Mar 15, 2024
Submitted by: Dobber31
Verified: Mar 17, 2024
Verified by: Ken Davenport

California Tortoiseshell
Nymphalis californica
Observed: Mar 15, 2024
Submitted by: Dobber31
Verified: Mar 17, 2024
Verified by: Ken Davenport

Volupial Pyrausta Moth
Pyrausta volupialis
Observed: Nov 25, 2023
Submitted by: katrinaoller
Verified: Dec 02, 2023
Verified by: mcduck

West Coast Lady
Vanessa annabella
Observed: Nov 21, 2023
Submitted by: katrinaoller
Verified: Dec 01, 2023
Verified by: Ken Davenport

Red Admiral
Vanessa atalanta
Observed: Nov 12, 2023
Submitted by: bkbrott
Verified: Nov 13, 2023
Verified by: Ken Davenport