WSU CAHNRS

College of Agricultural, Human, and Natural Resource Sciences

Department of Entomology

Cat Face Spider

Insects &
Arthropods

Black Widow Spider
Blister Beetle
Box Elder Bug
Cat Face Spider
Cat Flea
Cereal Aphid
Cereal Leaf Beetle
Cicada
Corn Earworm
Crab Lice
Cooley Spruce Gall Adelgid
False Wire Worm
European Mantis
Housebug
Jumping Spider
Juniper Scale
Locust Borer
Minute Pirate Bug
Mosquito Diseases
Northern Scorpion
Rose Curculio
Russian Wheat Aphid
Snowball Aphid
Ten Lined June Beetle
Thrip
Western Yellow Striped Army Worm
Wheat Stem Sawfly
Wire Worm
Wooley ash aphid
Yellow Jacket Wasp
Yellow Sac Spider

 

Cat Face Egg MassThe common cat face spider is representative of orb weaver spiders of Family Araeniidae Order Arachnida Araneus gemmoides.

Cat face spiders show up in my lab in fair numbers during the fall and winter months as overwintering mated females which are egg bound. See the jpgs to see color differences between active feeding females in the late summer and the overwintering female.

The female spider laid her eggs in the lab and died just as I was photographing her. This is a “Charlotte’s Web” scenario. The spiders lay huge egg masses in the early spring and baby spiders will quickly emerge and disperse into gardens. The mother spider will die after laying eggs as in the photo.

 

 

 

The young spiders do eat their brothers and sisters as they hatch so only a few of them will reach adulthood. Cat face spiders and other members of the Family Araeniidae are extremely beneficial natural enemies of many garden insects up to large insects when the spiders are mature.

Department of Entomology, Washington State University, Pullman, WA, 99164-6382 USA, 509-335-5422, Contact Us
© 2014 Washington State University | Accessibility | Policies | Copyright | Log in