Guess I'm lucky then... I've lived in LA for about 28 years and I don't think I've ever seen a black widow. Actually I remember when I was ~3, I was sitting (legs crossed) on the patio, my neighbor came over and smashed a scorpion near me with a hammer. Remember it vividly, mostly because I didn't understand why he killed it (at the time). As an adult, I don't recall seeing scorpions, brown recluses, or black widows..