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Theridion
The spider genus Theridion, after which the family Theridiidae is named, consists of almost 600 described species that occur all around the world. Notable species are the Hawaiian happy face spider – T. grallator – and T. nigroannulatum, which is one of the very few species of spiders which live in social groups and not merely aggregate by coincidence. They live in large colonies, lying in wait for passing prey purportedly concealed under the edge of a leaf...
60 branches of this genus, most-observed first
Theridion melanurum
complexTheridion melanurum
Theridion varians
speciesTheridion varians
Pyramidal Theridion
speciesTheridion pyramidale
Eastern Long-legged Cobweaver
speciesTheridion frondeum
Theridion zonulatum
speciesTheridion zonulatum
Painted Cobweb Weaver
speciesTheridion pictum
Fence Long-legged Cobweaver
speciesTheridion murarium
Hawaiian Happy Face Spider
speciesTheridion grallator
Theridion calcynatum
speciesTheridion calcynatum
Theridion theridioides
speciesTheridion theridioides
Theridion californicum
speciesTheridion californicum
Theridion zantholabio
speciesTheridion zantholabio
White Long-legged Cobweaver
speciesTheridion albidum
Theridion biezankoi
speciesTheridion biezankoi
Different Cobweb Spider
speciesTheridion differens
Theridion pinastri
speciesTheridion pinastri
Strawberry Combfoot
speciesTheridion delicatum
Theridion quadratum
speciesTheridion quadratum
Theridion melanostictum
speciesTheridion melanostictum
Theridion bicruciatum
speciesTheridion bicruciatum
Theridion hannoniae
speciesTheridion hannoniae
Purcell's Theridion Comb-Feet Spider
speciesTheridion purcelli
Theridion flavonotatum
speciesTheridion flavonotatum
Theridion glaucescens
speciesTheridion glaucescens
Theridion hainanense
speciesTheridion hainanense
Theridion familiare
speciesTheridion familiare
Theridion t-notatum
speciesTheridion t-notatum
Theridion punctipes
speciesTheridion punctipes
Theridion lawrencei
speciesTheridion lawrencei
Theridion neomexicanum
speciesTheridion neomexicanum
holarctic long-legged cobweaver
speciesTheridion hemerobium
Theridion frizzellorum
speciesTheridion frizzellorum
Theridion pennsylvanicum
speciesTheridion pennsylvanicum
Theridion llano
speciesTheridion llano
Theridion michelbacheri
speciesTheridion michelbacheri
Theridion antillanum
speciesTheridion antillanum
Theridion argentatulum
speciesTheridion argentatulum
Theridion cheimatos
speciesTheridion cheimatos
Theridion neshamini
speciesTheridion neshamini
Theridion cynicum
speciesTheridion cynicum
Theridion uhligi
speciesTheridion uhligi
Theridion australe
speciesTheridion australe
Theridion petraeum
speciesTheridion petraeum
Theridion adrianopoli
speciesTheridion adrianopoli
Theridion agrifoliae
speciesTheridion agrifoliae
Theridion dilutum
speciesTheridion dilutum
Theridion incanescens
speciesTheridion incanescens
Theridion albioculum
speciesTheridion albioculum
Theridion saanichum
speciesTheridion saanichum
Theridion evexum
speciesTheridion evexum
Theridion rabuni
speciesTheridion rabuni
Theridion striatum
speciesTheridion striatum
Theridion submissum
speciesTheridion submissum
Theridion ventricosum
speciesTheridion ventricosum
Theridion gracilipes
speciesTheridion gracilipes
Theridion albostriatum
speciesTheridion albostriatum
Theridion furfuraceum
speciesTheridion furfuraceum
Theridion bolum
speciesTheridion bolum
Theridion agreste
speciesTheridion agreste
Theridion leucophaeum
speciesTheridion leucophaeum
Where it lives
Recorded sightings
—
geo-referenced records in GBIF, from museums, herbaria and field observers.
Drag the globe to turn it. Dots are where records exist, not a range map; darker means more records.
In the stacks
Searching the stacks…
Every page naming Theridion in the Biodiversity Heritage Library →
This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 82081.