Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Clickable Guide
Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes

Calendar
Upcoming Events

Discussion, insects and people from the 2018 BugGuide Gathering in Virginia, July 27-29

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Photos of insects and people from the 2014 gathering in Virginia, June 4-7.

Photos of insects and people from the 2013 gathering in Arizona, July 25-28

Photos of insects and people from the 2012 gathering in Alabama

Photos of insects and people from the 2011 gathering in Iowa

Photos from the 2010 Workshop in Grinnell, Iowa

Photos from the 2009 gathering in Washington

TaxonomyBrowse
Info
ImagesLinksBooksData

Species Argiope trifasciata - Banded Argiope

Argiope trifasciata - female spider - Argiope trifasciata - male Argiope - Argiope trifasciata - male Arigope Trifasciata - Argiope trifasciata - female Banded Argiope - Argiope trifasciata - male Black and yellow spider - Argiope trifasciata Argiope species? - Argiope trifasciata Orb Weaver? - Argiope trifasciata
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
Species trifasciata (Banded Argiope)
Other Common Names
Banded Garden Orbweaver
Banded Argiope
Synonyms and other taxonomic changes
Explanation of Names
Argiope trifasciata (Forsskål, 1775) (or Forskål (1))
Latin: "three-banded", from tres- "three" + fasciatus- "enveloped in bands, swathed"
Size
Body length 15-25 mm (female), 4-6 mm (male)
Identification
Pale yellow, carapace has silver hairs, abdomen is striped in silver, yellow, and black. Abdomen is more rounded (tapered rearward) than in Argiope aurantia, does not have notches and humps as in that species. Legs are spotted. Stabilimentum of web is similar to that of Argiope aurantia, but less prominent.

Females:


Male:


Juveniles:


Egg Sacs
Range
Throughout United States and southern Canada, plus many other countries around the world. Possibly introduced to North America. (ref?)
Habitat
Open areas, old fields, etc. with tall grass. Webs tend to be more hidden than those of aurantia, and the preferred habitat is said to be drier.
Season
mostly: July-Nov (BG data)
Life Cycle
Egg sac may contain more than 1000 eggs. It is about 18 mm in diameter and is shaped like a cup or a kettledrum, not spherical, as is that of Argiope aurantia.
Print References
Kaston, p. 139, fig. 346 (2)
Marshall and Edwards, pp. 40-41, color photo (3)
Jackman, p. 76, plate P10 (4)
Internet References
Texas Entomology - Mike Quinn, 2008
Works Cited
1.Catalogue of Texas spiders
Allen Dean. 2016. ZooKeys 570: 1-703.
2.How to Know the Spiders
B. J. Kaston. 1978. WCB/McGraw-Hill.
3.Florida's Fabulous Spiders
Sam Marshall, G. B. Edwards. 2002. World Publications.
4.A Field Guide to Spiders and Scorpions of Texas
John A. Jackman. 2002. Gulf Publishing.