Gen. Latrodectus "Black Widow" by Buckeye98 via Flickr, Creative Commons Attribution-NoDerivs.	Redback spider, Latrodectus hasselti "Redback Spider" by Charles Haynes via Flickr, Creative Commons Attribution ShareAlike.
Latrodectus hesperus "Latrodectus hesperus (F Theridiidae)" by M Hedin via Flickr, Creative Commons Attribution.	Latrodectus mactans "DSCN0039" by Wlberka via Flickr, Creative Commons Attribution ShareAlike.
Latrodectus tredecimguttatus K. Korlevic via Wikicommons, ©.

Taxonomy:

Crustulina albovittata (Add)
Crustulina altera (Add)
Crustulina ambigua (Add)
Crustulina bicruciata (Add)
Crustulina conspicua (Add)
Crustulina erythropus (Add)
Crustulina grayi (Add)
Crustulina guttata (Add)
Crustulina hermonensis (Add)
Crustulina incerta (Add)
Crustulina jeanneli (Add)
Crustulina lineiventris (Add)
Crustulina lugubris (Add)
Crustulina molesta (Add)
Crustulina obesa (Add)
Crustulina scabripes (Add)
Crustulina starmuehlneri (Add)
Crustulina sticta (Add)

Gen. Latrodectus

Latrodectus antheratus (Add)
Latrodectus apicalis (Add)
Latrodectus bishopi (Add)
Latrodectus cinctus (Add)
Latrodectus corallinus (Add)
Latrodectus curacaviensis (Add)
Latrodectus dahli (Add)
Latrodectus diaguita (Add)
Latrodectus elegans (Add)
Latrodectus erythromelas (Add)
Latrodectus ex laos (Add)
Latrodectus geometricus (Add)
Redback spider, Latrodectus hasselti

Latrodectus hesperus

Latrodectus hystrix (Add)
Latrodectus indistinctus (Add)
Latrodectus karrooensis (Add)
Katipo, Latrodectus katipo (Add)
Latrodectus lilianae (Add)
Latrodectus mactans

Latrodectus menavodi (Add)
Latrodectus mirabilis (Add)
Latrodectus obscurior (Add)
Latrodectus pallidus (Add)
Latrodectus quartus (Add)
Latrodectus renivulvatus (Add)
Latrodectus revivensis (Add)
Latrodectus rhodesiensis (Add)
Latrodectus tredecimguttatus

Latrodectus variegatus (Add)
Latrodectus variolus (Add)

Steatoda adumbrata (Add)
Steatoda aethiopica (Add)
Steatoda alamosa (Add)
Steatoda alboclathrata (Add)
Steatoda albomaculata (Add)
Steatoda amurica (Add)
Steatoda ancora (Add)
Steatoda ancorata (Add)
Steatoda andina (Add)
Steatoda apacheana (Add)
Steatoda atascadera (Add)
Steatoda atrocyanea (Add)
Steatoda autumnalis (Add)
Steatoda badia (Add)
Steatoda bertkaui (Add)
Steatoda bipunctata (Add)
Steatoda borealis (Add)
Steatoda bradyi (Add)
Steatoda capensis (Add)
Steatoda carbonaria (Add)
Steatoda caspia (Add)
Steatoda castanea (Add)
Steatoda chinchipe (Add)
Steatoda cingulata (Add)
Steatoda connexa (Add)
Steatoda craniformis (Add)
Steatoda dahli (Add)
Steatoda diamantina (Add)
Steatoda distincta (Add)
Steatoda ephippiata (Add)
Steatoda erigoniformis (Add)
Steatoda fagei (Add)
Steatoda fallax (Add)
Steatoda felina (Add)
Steatoda foravae (Add)
Steatoda grandis (Add)
Steatoda grossa (Add)
Steatoda gui (Add)
Steatoda hespera (Add)
Steatoda hui (Add)
Steatoda iheringi (Add)
Steatoda incomposita (Add)
Steatoda kiwuensis (Add)
Steatoda kuytunensis (Add)
Steatoda latifasciata (Add)
Steatoda latrodectoides (Add)
Steatoda lawrencei (Add)
Steatoda lenzi (Add)
Steatoda leonardi (Add)
Steatoda lepida (Add)
Steatoda linzhiensis (Add)
Steatoda livens (Add)
Steatoda longurio (Add)
Steatoda mainlingensis (Add)
Steatoda mainlingoides (Add)
Steatoda marmorata (Add)
Steatoda marta (Add)
Steatoda maura (Add)
Steatoda mexicana (Add)
Steatoda micans (Add)
Steatoda minima (Add)
Steatoda moerens (Add)
Steatoda moesta (Add)
Steatoda morsitans (Add)
Steatoda nahuana (Add)
Steatoda nasata (Add)
Steatoda ngipina (Add)
Steatoda nigrimaculata (Add)
Steatoda nigrocincta (Add)
Steatoda niveosignata (Add)
Steatoda nobilis (Add)
Steatoda octonotata (Add)
Steatoda palomara (Add)
Steatoda pardalia (Add)
Steatoda paykulliana (Add)
Steatoda perakensis (Add)
Steatoda perspicillata (Add)
Steatoda picea (Add)
Steatoda porteri (Add)
Steatoda punctulata (Add)
Steatoda quadrimaculata (Add)
Steatoda quaesita (Add)
Steatoda quinquenotata (Add)
Steatoda retorta (Add)
Steatoda rhombifera (Add)
Steatoda rubrocalceolata (Add)
Steatoda rufoannulata (Add)
Steatoda sabulosa (Add)
Steatoda sagax (Add)
Steatoda saltensis (Add)
Steatoda semideserta (Add)
Steatoda seriata (Add)
Steatoda singoides (Add)
Steatoda sordidata (Add)
Steatoda speciosa (Add)
Steatoda subannulata (Add)
Steatoda terastiosa (Add)
Steatoda tigrina (Add)
Steatoda tortoisea (Add)
Steatoda transversa (Add)
Steatoda trianguloides (Add)
Steatoda triangulosa (Add)
Steatoda tristis (Add)
Steatoda truncata (Add)
Steatoda ulleungensis (Add)
Steatoda uncata (Add)
Steatoda variabilis (Add)
Steatoda variata (Add)
Steatoda variipes (Add)
Steatoda vaulogeri (Add)
Steatoda venator (Add)
Steatoda violacea (Add)
Steatoda wangi (Add)
Steatoda washona (Add)
Steatoda xerophila (Add)
Steatoda xishuiensis (Add)