This looked similar to the cross-striped cabbageworm, but has that additional yellow down the back. So I’m thinking some kind of cabbageworm.
Foothill Preserve, accessed with permission
Foothill Preserve, accessed with permission.
Big ‘ole flowers!
Foothill Preserve, accessed with permission
Foothill Preserve, accessed with permission
Foothill Preserve, accessed with permission
Found in the dirt, wasp like, wingless