California red-sideds have red bars or blotches between the stripes. San Francisco Garters have red (or orange) stripes between the mid-dorsal and lateral stripes. I don't have any tetrataenia pics for comparison. They are both gorgeous!
Here's an California red-sided (infernalis) and a Red-spotted (concinnus) for comparison.
If I had to guess I would say that the concinnus is from the southern portion of their range? I'm just saying I noticed the colors tend to start looking more like infernalis if you find concinnus in the southern extremes of their range.
From now on, I'll treat others like they treat me. Some will be glad, others should be scared
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