Summary description from Wikipedia:

Latrodectus variolus in languages:

Czech

snovačka kanadská

English

Northern Black Widow

German

Nördliche Schwarze Witwe

Portuguese

Viúva-negra-do-norte

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Parent Taxon

• Latrodectus

Sibling Taxa

• Latrodectus antheratus
• Latrodectus apicalis
• Latrodectus bishopi
• Latrodectus cinctus
• Latrodectus corallinus
• Latrodectus curacaviensis
• Latrodectus dahli
• Latrodectus diaguita
• Latrodectus elegans
• Latrodectus erythromelas
• Latrodectus garbae
• Latrodectus geometricus
• Latrodectus hasselti
• Latrodectus hesperus
• Latrodectus hystrix
• Latrodectus indistinctus
• Latrodectus karrooensis
• Latrodectus katipo
• Latrodectus lilianae
• Latrodectus mactans
• Latrodectus menavodi
• Latrodectus mirabilis
• Latrodectus obscurior
• Latrodectus pallidus
• Latrodectus quartus
• Latrodectus renivulvatus
• Latrodectus revivensis
• Latrodectus rhodesiensis
• Latrodectus thoracicus
• Latrodectus tredecimguttatus
• Latrodectus umbukwane
• Latrodectus variegatus
• Latrodectus variolus

Top Observation Places

• Chapel Hill
• Hamden
• Baltimore
• Glen Burnie
• Ellicott City
• Dundalk
• Reston