Two mature female cat-faced spiders Department of Bioagricultural Sciences and Pest Management Fort Collins, CO 80523-1177 Cat-faced Spider Typical Location When. Life History and Habits: The cat-faced spider spends the winter in the egg stage, within a silk-covered sac (Figure 5) produced by the mother during fall. Cat-faced spider mother and recently produced egg sac. Cat Face Spider . 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.
Species Araneus gemmoides - Cat-Faced Spider Phylum Arthropoda - Arthropods Class Arachnida - Arachnids Order Araneae - Spiders Infraorder Araneomorphae - True Spiders. The Cat-Faced Spider (Araneus gemmoides) is an orb weaver spider found in the American west and Pacific northwest. Often found around houses in areas lit by.
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