This is a newly hatched spiderling of the Western Black Widow that hasn't yet developed it's black color.
Shot of healthy female in her web... difficult to shoot black spiders at night, so didn't get a good shot of red hour glass. Southern California
female investigating a slug in her web, southern California
Juvenile black widow
Even this youngster sports the hallmark hour glass shape
another view of one in day time (rare sighting) in my yard- southern California
I met this guy just minutes ago in the dark. Don't know whether it is L. mactans or L. hesperus though.
Black widow got a residence in my calla lilies
Black Widow in calla lilies. Knowing her location I kept observing her day and night.
The same Black Widow from calla lilies exposes during the night her red marked belly