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egg sacs

Black-and-yellow Argiope - Argiope aurantia Egg sac - Argiope aurantia Egg Sack and Mother - Argiope aurantia - female garden spider egg sac - Argiope aurantia Whose egg case is this? - Argiope aurantia Cocoon (?) in American Plum - Argiope aurantia Suspected garden spider (Argiope aurantia) egg sac  - Argiope aurantia Spider egg sack. Could you guess the spider Genus? - Argiope aurantia Argiope Aurantia Egg Case - Argiope aurantia
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Chelicerata (Chelicerates)
Class Arachnida (Arachnids)
Order Araneae (Spiders)
Infraorder Araneomorphae (True Spiders)
No Taxon (Entelegynae)
Family Araneidae (Orb Weavers)
Genus Argiope (Garden Orbweavers)
Species aurantia (Black and Yellow Argiope)
No Taxon egg sacs
Life Cycle
In areas with a cold winter, the eggs of this species hatch in the late summer or autumn, but the hatchling spiders become dormant and do not leave the egg sack until the following spring. Hatchlings generally resemble small adults, there are no major changes in anatomy or structure as they grow (except the development of reproductive organs). (Dewey, 1993)(1)