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Genus Theridion

Theridion male? - Theridion - male Theridion - male Epigyne - Theridion frondeum - female Spider - Theridion - male Theridion neomexicanum? - Theridion neomexicanum - female Theridion neomexicanum? - Theridion neomexicanum - female yellow spider, photo #3267 - Theridion californicum - female Tiny shiny dark spider with globular abdomen and pinkish+white dorsal pattern and banded legs - Theridion - female
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Class Arachnida (Arachnids)
Order Araneae (Spiders)
Infraorder Araneomorphae (True Spiders)
No Taxon (Entelegynes )
Family Theridiidae (Cobweb Spiders)
Genus Theridion
Numbers
65 species in our area(1)
Texas species:
T. australe Banks, 1899
T. cameronense Levi, 1957
T. cinctipes Banks, 1898
T. cynicum Gertsch & Mulaik, 1936
T. differens Emerton, 1882
T. dilutum Levi, 1957
T. dividuum Gertsch & Archer, 1942
T. flavonotatum Becker, 1879
T. frondeum Hentz, 1850
T. glaucescens Becker, 1879
T. goodnightorum Levi, 1957
T. hidalgo Levi, 1957
T. llano Levi, 1957
T. murarium Emerton, 1882
T. myersi Levi, 1957
T. positivum Chamberlin, 1924
T. rabuni Chamberlin & Ivie, 1944
T. submissum Gertsch & Davis, 1936
Remarks
One tropical species (T. nigroannulatum) is social.
See Also
Enoplognatha have the four bottom eyes almost straight across, with very little space between the top and the bottom eye rows. In Theridion, the bottom row have a slight downward curve, with more of a gap between the rows:
Theridion           Enoplognatha


Print References
Levi 1957(2)
Internet References
Peggy Dorris Survey List - AR spp. with state records
digitallibrary.amnh.org - descriptions of edinburgensis, expulsum, cynicum, insulsum, realisticum, redemptum, detractum, & schullei