Invertebrates > Arachnids
OverviewAT A GLANCECommon Name: Black Widow SpiderScientific Name: Latrodectus mactansCategory: InvertebratesSubcategory: ArachnidsSize: Female body length: 0.3–0.6 in (8–15 mm), leg span up to 1.5 in (38 mm); Males half this sizeWeight: Female mass: 0.03–0.05 oz...
