Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
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Upcoming Events

National Moth Week photos of insects and people. Here's how to add your images.

Photos of insects and people from the 2019 BugGuide Gathering in Louisiana, July 25-27

Discussion, insects and people from the 2018 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


Genus Theridion

Phylum Arthropoda - Arthropods
Subphylum Chelicerata - Chelicerates
Class Arachnida - Arachnids
Order Araneae - Spiders
Infraorder Araneomorphae - True Spiders
No Taxon Entelegynae
Family Theridiidae - Cobweb Spiders
Genus Theridion

Species agrifoliae - Theridion agrifoliae
Species albidum - Theridion albidum
Species californicum - Theridion californicum
Species cheimatos - Theridion cheimatos
Species differens - Theridion differens
Species dilutum - Theridion dilutum
Species flavonotatum - Theridion flavonotatum
Species frondeum - Theridion frondeum
Species glaucescens - Theridion glaucescens
Species kawea - Theridion kawea
Species lawrencei - Theridion lawrencei
Species leechi - Theridion leechi
Species llano - Theridion llano
Species melanurum - Theridion melanurum
Species michelbacheri - Theridion michelbacheri
Species murarium - Theridion murarium
Species neomexicanum - Theridion neomexicanum
Species neshamini - Theridion neshamini
Species pennsylvanicum - Theridion pennsylvanicum
Species petraeum - Theridion petraeum
Species pictum - Theridion pictum
Species punctipes - Theridion punctipes
Species rabuni - Theridion rabuni
Species simile - Theridion simile
Species submissum - Theridion submissum
Species varians - Theridion varians
No Taxon frondeum/albidum sibling pair
No Taxon juveniles