Latrodectus mactans and L. variolus, Southern and Northern Black Widow Spiders (Araneae: Theridiidae)
![Southern Black Widow Spider - Latrodectus Mactans Stock Image - Image of integrated, bite: 252602797 Southern Black Widow Spider - Latrodectus Mactans Stock Image - Image of integrated, bite: 252602797](https://thumbs.dreamstime.com/z/close-up-female-southern-black-widow-spider-florida-southern-black-widow-spider-latrodectus-mactans-252602797.jpg)
Southern Black Widow Spider - Latrodectus Mactans Stock Image - Image of integrated, bite: 252602797
![SciELO - Brasil - Envenomation caused by Latrodectus geometricus in São Paulo state, Brazil: a case report Envenomation caused by Latrodectus geometricus in São Paulo state, Brazil: a case report SciELO - Brasil - Envenomation caused by Latrodectus geometricus in São Paulo state, Brazil: a case report Envenomation caused by Latrodectus geometricus in São Paulo state, Brazil: a case report](https://minio.scielo.br/documentstore/1678-9199/rPT8tTrqCSjVgzL3V6zN5pb/e5db789b960c1c63ad22fd17ff93a73290b13eb6.jpg)
SciELO - Brasil - Envenomation caused by Latrodectus geometricus in São Paulo state, Brazil: a case report Envenomation caused by Latrodectus geometricus in São Paulo state, Brazil: a case report
![SciELO - Brasil - Envenomation caused by Latrodectus geometricus in São Paulo state, Brazil: a case report Envenomation caused by Latrodectus geometricus in São Paulo state, Brazil: a case report SciELO - Brasil - Envenomation caused by Latrodectus geometricus in São Paulo state, Brazil: a case report Envenomation caused by Latrodectus geometricus in São Paulo state, Brazil: a case report](https://minio.scielo.br/documentstore/1678-9199/rPT8tTrqCSjVgzL3V6zN5pb/7aabb8562b80b0ea81ff37e0355fcebe7acf7c9d.jpg)
SciELO - Brasil - Envenomation caused by Latrodectus geometricus in São Paulo state, Brazil: a case report Envenomation caused by Latrodectus geometricus in São Paulo state, Brazil: a case report
![PDF] Southern black widow Latrodectus mactans (Fabricius) (Arachnida: Araneae: Theridiidae) | Semantic Scholar PDF] Southern black widow Latrodectus mactans (Fabricius) (Arachnida: Araneae: Theridiidae) | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/5bd50c6f50ef0ad87637c4c47477ff2183e43bef/2-Figure2-1.png)