Classification
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  • Scientific names
    • Theridiidae

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Recent Observations

Arachnida-15px

Photos

What

Western black widow Latrodectus hesperus

Date

May 19, 2012

Place

santa rosa (Google, OSM)

Description

Under my house, there is this little ledge. I saw a messy looking web there, in one of the corners, and looked under. A black widow is what i found. It was night out, around 9:00pm. the spider did move when I shown a flash-light on it, but it did not go out of sight.

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Photos

Square

What

common house spider Parasteatoda tepidariorum

Observer

bluehoneysugar

Date

May 10, 2012

Place

UW farm (Google, OSM)

Description

A photo of a classic common house spider on a cement wall. I was initially looking for lichens, but found more spiders than lichens. Unfortunately, this one was the only one I was able to take a photo of. With light brown, almost beige body color with long and thin legs, I am pretty confident that this boy is a common house spider.

Arachnida-15px

Photos

Square

What

Western black widow Latrodectus hesperus

Observer

mmjensen

Date

Apr 27, 2012 11:47 AM PDT
View all observations

Description from Wikipedia

The tangle-web spiders (Theridiidae), also known as cobweb spiders and comb-footed spiders, are a large family (over 2200 species in over 100 genera) of three-dimensional space-web-builders found throughout the world. Theridiid spiders are entelegyne (have a genital plate in the female) araneomorph ecribellate (use sticky capture silk instead of woolly silk) spiders that often build tangle space webs and have a comb of serrated bristles (setae) on the tarsus of the fourth leg.

No range data available.