They removed a front yard tree and some ivy (species unknown) this morning and by this afternoon there were about ten of these on wall rightsidewalk
Fledgling fell out of nest. Neighbor called me over to ask what to do...
Possibly another Hydriomena.
Epinotia solandrinia seems conceivable, sort of: http://mothphotographersgroup.msstate.edu/species.php?hodges=3283&state=CA
Maybe Epinotia, not seeing great matches.