| 1. Latrodectus cinctus Blackwall, 1865 |
|
| 2. Latrodectus dahli Levi, 1959 |
  Pedipalpus, retrolateral
(Knoflach & van Harten 2002)
|
 Pedipalpus, ventral
(Knoflach & van Harten 2002) |
 Pedipalpus, prolateral
(Knoflach & van Harten 2002) |
 Pedipalpus, dorsal
(Knoflach & van Harten 2002) |
  Epigyne, ventral
(Jäger & Gromov 2011)
|
 Epigyne/Vulva, ventral
(Knoflach & van Harten 2002) |
 Epigyne
(Souri et al. 2024) |
 Epigyne
(Zamani et al. 2024a) |
 Vulva, dorsal
(Jäger & Gromov 2011) |
 Vulva, dorsal
(Knoflach & van Harten 2002) |
 Vulva, dorsal
(Knoflach & van Harten 2002) |
 Vulva, dorsal
(Knoflach & van Harten 2002) |
 Vulva, dorsal
(Souri et al. 2024) |
 Vulva, dorsal
(Zamani et al. 2024a) |
 Setae Opisthosoma, dorsal
(Knoflach & van Harten 2002) |
| |
|
|
|
| 3. Latrodectus geometricus C. L. Koch, 1841 |
 Pedipalpus, retrolateral
(Knoflach & van Harten 2002) |
 Pedipalpus, ventral
(Knoflach & van Harten 2002) |
 Pedipalpus, prolateral
(Knoflach & van Harten 2002) |
 Pedipalpus, dorsal
(Knoflach & van Harten 2002) |
 Pedipalpus, retrolateral
(Abdel-Ghani et al. 2023) |
 Pedipalpus, prolateral
(Baert et al. 2023) |
 Pedipalpus, retrolateral
(Baert et al. 2023) |
 Pedipalpus, ventral
(Baert et al. 2023) |
 Habitus, dorsal
(Murcia-Moreno & Gálvez 2025) |
 Epigyne, ventral
(Levy 1998b) |
 Epigyne/Vulva, ventral
(Knoflach & van Harten 2002) |
 Epigyne/Vulva, ventral
(Knoflach & van Harten 2002) |
 Epigyne
(Rozwałka et al. 2017b) |
 Epigyne
(Murcia-Moreno & Gálvez 2025) |
 Epigyne
(Baert et al. 2023) |
 Vulva, dorsal
(Levy 1998b) |
 Vulva, dorsal
(Knoflach & van Harten 2002) |
 Vulva, dorsal
(Knoflach & van Harten 2002) |
 Vulva
(Rozwałka et al. 2017b) |
 Vulva, dorsal
(Abdel-Ghani et al. 2023) |
 Opisthosoma, dorsal
(Levy 1998b) |
 Opisthosoma, lateral
(Levy 1998b) |
 Setae Opisthosoma, dorsal
(Knoflach & van Harten 2002) |
 Habitus, dorsal
(Murcia-Moreno & Gálvez 2025) |
| |
|
|
|
| 4. Latrodectus hasselti Thorell, 1870 |
|
| 5. Latrodectus hesperus Chamberlin & Ivie, 1935 |
 Pedipalpus, retrolateral
(Kaston 1970) |
 Pedipalpus, ventral
(Kaston 1970) |
 Pedipalpus, prolateral
(Purgat & Švecová 2025) |
 Pedipalpus, retrolateral
(Purgat & Švecová 2025) |
 Pedipalpus, ventral
(Purgat & Švecová 2025) |
 Habitus, dorsal
(Purgat & Švecová 2025) |
 Habitus, ventral
(Purgat & Švecová 2025) |
 Epigyne
(Collier et al. 2023) |
 Epigyne
(Purgat & Švecová 2025) |
 Vulva
(Kaston 1970) |
 Vulva, dorsal
(Collier et al. 2023) |
 Vulva, dorsal
(Purgat & Švecová 2025) |
 Habitus, dorsal
(Purgat & Švecová 2025) |
 Habitus, ventral
(Purgat & Švecová 2025) |
|
|
| 6. Latrodectus lilianae Melic, 2000 |
|
| 7. Latrodectus mactans (Fabricius, 1775) |
|
| 8. Latrodectus pallidus O. Pickard-Cambridge, 1872 |
 Pedipalpus
(Charitonov 1954) |
 Pedipalpus
(Charitonov 1954) |
 Pedipalpus, apikal
(Seropian et al. 2024a) |
 Pedipalpus, prolateral
(Seropian et al. 2024a) |
 Pedipalpus, retrolateral
(Seropian et al. 2024a) |
 Pedipalpus, ventral
(Seropian et al. 2024a) |
 Opisthosoma, dorsal
(Levy 1998b) |
 Epigyne, ventral
(Levy 1998b) |
 Epigyne
(Souri et al. 2024) |
 Epigyne
(Seropian et al. 2024a) |
 Vulva, dorsal
(Levy 1998b) |
 Vulva, dorsal
(Souri et al. 2024) |
 Vulva, dorsal
(Seropian et al. 2024a) |
 Opisthosoma, dorsal
(Levy 1998b) |
 Opisthosoma, ventral
(Levy 1998b) |
| |
|
|
|
| 9. Latrodectus tredecimguttatus (Rossi, 1790) |
 Pedipalpus, prolateral
(Levy 1998b) |
 Pedipalpus, ventral
(Levy 1998b) |
 Pedipalpus, apikal
(Levy 1998b) |
 Opisthosoma, dorsal
(Levy 1998b) |
 Opisthosoma, dorsal
(Levy 1998b) |
 Opisthosoma, lateral
(Levy 1998b) |
 Opisthosoma, ventral
(Levy 1998b) |
 Opisthosoma, ventral
(Levy 1998b) |
 Opisthosoma, ventral
(Levy 1998b) |
 Habitus, dorsal
(Levy 1998b) |
 Epigyne
(Brignoli 1967c) |
 Epigyne, ventral
(Levy 1998b) |
 Epigyne
(Souri et al. 2024) |
 Epigyne, Variation, ventral
(Levy 1998b) |
 Vulva, dorsal
(Brignoli 1984b) |
 Vulva, ventral
(Brignoli 1984b) |
 Vulva, dorsal
(Levy 1998b) |
 Vulva, dorsal
(Souri et al. 2024) |
 Prosoma, dorsal
(Levy 1998b) |
 Chelicere
(Levy 1998b) |
 Habitus
(Levy 1998b) |
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