Latrodectus mactans was created in 1775.
lATRODECTUS MACTANS means Black widow
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Latrodectus mactans
Latrodectus mactans.
Latrodectus mactans black widow spider
Latrodectus mactans for southern black widow/ Latrodectus variolus for northern black widow, and Latrodectus hesperus for western black widows
Superdomain BiotaDomain EukaryotaKingdom AnimaliaSubkingdom BilateriaBranch ProtostomiaInfrakingdom EcdysozoaSuperphylum PanarthropodaPhylum ArthropodaSubphylum ArachnomorphaInfraphylum CheliceriformesSuperclass ChelicerataEpiclass EuchelicerataClass ArachnidaSubclass MicruraInfraclass MegoperculataOrder AraneaeSuborder OpisthothelaeInfraorder AraneomorphaeSuperfamily AraneoideaFamily TheridiidaeSubfamily LatrodectinaeGenus LatrodectusSpecies Latrodectus apicalis (Galapagos black widow spider).Species Latrodectus hesperus (Western black widow spider).Species Latrodectus variolus (Northern black widow spider).Species Latrodectus mactans(4) Subspecies Latrodectus mactans mactans(Southern black widow spider, black widow spider).(5) Subspecies Latrodectus mactans tredecimguttatus (European black widow spider, Mediterranean black widow spider).Subspecies Latrodectus mactans tredecimguttatus is sometimes considered as a different species: Latrodectus tredecimguttatus.
Brown Recluse - Loxosceles reclusaNorthern Black Widow - Latrodectus variolusSouthern Black Widow - Latrodectus mactans
There are multiple species called widow spiders in the family "Latrodectus." The most common species in the US is the Latrodectus Mactans.
'The' black widow Latrodectus mactans lives in North America; Mexico and the United States. The species Latrodectus tredecimguttatus does live in Spain.
Latrodectus geometricus was created in 1841.