This female False Widow Spider (family Theridiidae) was found under a rock on the beach at Goat Rock State Beach. Sonoma Co., CA.
Not sure of the id.
Spider on classroom floor.
Poisonous bite (neurotoxin)
Has eight eyes.
Long, brown legs with small hairs
Builds a tangled, three-dimensional “cobweb” snare.
The silk is not sticky
Eats insects or other spiders
Male lives up to 18 months
Female can live up to six years.
Steatoda grossa, commonly known as the cupboard spider, the dark comb-footed spider, the brown house spider (in Australia), or the false black widow (though several other species are known by these names), is a common species of spider in the genus Steatoda.