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

Upcoming Events

Photos of insects and people from the 2022 BugGuide gathering in New Mexico, July 20-24

National Moth Week was July 23-31, 2022! See moth submissions.

Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2

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

Photos of 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

Previous events


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 australe - Theridion australe
Species californicum - Theridion californicum
Species cheimatos - Theridion cheimatos
Species differens - Theridion differens
Species dilutum - Theridion dilutum
Species dividuum - Theridion dividuum
Species flavonotatum - Theridion flavonotatum
Species frondeum - Theridion frondeum
Species glaucescens - Theridion glaucescens
Species goodnightorum - Theridion goodnightorum
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 morulum - Theridion morulum
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 submissum - Theridion submissum
Species varians - Theridion varians
No Taxon frondeum/albidum sibling pair
No Taxon juveniles