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egg sac: Media

zoology

Images

Black widow spider
Female southern black widow (Latrodectus mactans) with her egg case (upper...
© Brberrys/Shutterstock.com
Figure 9: Eggs of spiders are enclosed in silk sacs. (Bottom) cave orb weaver (Meta...
Cesco Clapanna—National Audubon Society Collection/Photo Researchers
Figure 9: Eggs of spiders are enclosed in silk sacs. (Top) Female wolf spider with...
Robert C. Hermes—National Audubon Society Collection/Photo Researchers