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Home » Guide » Arthropods (Arthropoda) » Arachnids (Arachnida) » Spiders (Araneae) » True Spiders (Araneomorphae) » Entelegynes » Orb Weavers (Araneidae) » Garden Orbweavers (Argiope) » Banded Garden Spider (Argiope trifasciata)
Photo#339572
Possible Argiope - Argiope trifasciata
Copyright © 2009 drgnflyz

Possible Argiope - Argiope trifasciata
Idaho Falls, Bonneville County, Idaho, USA
October 1, 2009
How can you tell immature from adult and male from female?
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Contributed by drgnflyz on 2 October, 2009 - 11:44am
Last updated 2 October, 2009 - 7:08pm

Adult males
have enlarged pedipalps. Again you can tell they are adults when the palps are fully developed. Here is a juvenile male:


And here is an adult male:
… Lynette Schimming, 2 October, 2009 - 7:19pm login or register to post comments

Female Spiders
Adult females have a developed epigynum, besides once you've seen a lot of the same species you would notice size and other subtle ways to tell it's not mature depending on the species. Here is an image of a subadult epigynum


Here is an image of an adult epigynum:
… Lynette Schimming, 2 October, 2009 - 7:08pm login or register to post comments

Argiope photo
This image was captured with my new Garmin Oregon 550t GPS built in camera. Not too shabby for a gps.
… drgnflyz, 2 October, 2009 - 11:46am login or register to post comments

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