Subject: Hairy Momma?
Geographic location of the bug: Oroville, CA (Butte County)
Time: 06:17 PM EDT
Your letter to the bugman: Found this hairy lurker on the inside of the doorjamb of an old truck in mid January 2020. Weather’s been in the 40-60*F range, with rain. Grabbed a quick photo, but can’t find a plausible ID anywhere….can you help?
Thinking this may be a female in the process of establishing an egg sac, perhaps? Gorgeous, but too hairy for most IDs to match.
How you want your letter signed: Cole
This is a Huntsman Spider or Giant Crab Spider in the genus Olios, probably Olios giganteus, a Golden Huntsman Spider. According to Spider ID: “Egg sac is spun inside a large, spherical retreat (about 25mm in diameter) in which the female spider also resides, guarding the sac and the spiderlings that emerge from it.” According to Backyard Nature: “This Southwestern US and Mexican, arid-land, nocturnal species is known to spin silken “retreats” in which it may spend the day, or to complete molting. Also, the female may spin such a retreat to stay in as she guards her egg sac and the spiderlings who emerge from the sac.” This species is also represented on BugGuide.
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