Kukulcania or Titiotus, maybe? I've only started noticing these downstairs near doors in the last couple of years. We're located just east of Sacramento.
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Feb 21, 2020
Feb 21, 2020
Río Cuarto, Argentina
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Buenos Aires Ciudad, Argentina1 Comments
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Help identify this spider
I think this is a brown recluse id say get a professional to look at it
The resemblance is striking but don’t recluses lack the spines on legs seen here? Anyway, do you know of any professionals in northern CA?
I don’t know any professionals
but if you find one u should email him or her
The best site i could find is this one https://nature.mdc.mo.gov/discover-nature/field-guide/brown-recluse-violin-spider
And it looks excactly like the one in your picture
I’ll agree it looks similar but that one lacks leg spines and its “violin” is more pronounced.
This Southern House Spider looks most like it to me: https://bugguide.net/node/view/792614
AFAIK neither of these should be found in California so if need be I’ll try to get in touch with someone at UC Davis.
Southern House Spider (Kukulcania hibernalis) can be found in CA, here’s an example of one collected in CA and IDed by dissection by a professional arachnologist. And although you’re unlikely to find a Brown Recluse in CA, there there are a few other native species in the genus there. Notably the Desert Recluse (Loxosceles deserta). There are also four other species of Kukulcania with a western range. That genus was recently revised and I’ve downloaded the paper for it before, I’ll have to look at it again to see if it specifies which ones are in CA.
https://bugguide.net/node/view/1493407
I definitely found the same spider as you in my house in Grass Valley on Nov. 3 2020,, not too far from Cameron Park. I still don’t know exactly what species it is, my first thought was Titiotus, but someone commented they thought it was a Kukulkania, which led me to your submission. I made SURE it was not a brown recluse: definite ID based on the lack of three sets of eyes.
It’s guaranteed not to be. I just found one of these in my house within a 2 hour drive of the location this one was found in, and so I heavily researched it yesterday. It is def a brown recluse LOOKALIKE, but, I have good news. The real brown recluse has THREE DISTINCT EYE CLUSTERS whereas this spider has two clusters of eyes. Look into it; it’s very reassuring!
You’re right that this is a male Kukulcania sp.. There are several similar species in the genus out west.