Widow Spiders Archives

Latrodectus Mactans – Southern Black Widow

By usaspidersPosted on September 12, 2020July 21, 2021Posted in Theridiidae - Cobweb Spiders, Widow SpidersTagged Alabama, Arkansas, Delaware, Florida, Georgia, Hairy:No, Illinois, Kentucky, LegLength:Long, LegLength:Medium, LegPattern:Uniform, Louisiana, Maryland, Medium, Mississippi, Missouri, New Jersey, North Carolina, Ohio, Oklahoma, P:Black, S:Red, S:White, South Carolina, Spinnerets:No, Tennessee, Texas, Venomous, Virginia, West Virginia7 Comments

Latrodectus mactans, the Southern black widow is a close relative of the Northern black widow and the Western black widow. The female of all three species is mostly black with a distinctive red hourglass pattern on the underside of its abdomen. They can inject a potent venom with their bite with potential severe medical effects. […]

Latrodectus Variolus – Northern Black Widow

By usaspidersPosted on September 12, 2020August 14, 2021Posted in Theridiidae - Cobweb Spiders, Widow SpidersTagged Alabama, Arkansas, Connecticut, Delaware, Florida, Georgia, Hairy:No, Illinois, Kentucky, LegLength:Long, LegLength:Medium, LegPattern:Uniform, Louisiana, maine, Maryland, massachusetts, Medium, Michigan, Mississippi, Missouri, new hampshire, New Jersey, New York, North Carolina, Ohio, Oklahoma, P:Black, Pennsylvania, Rhode Island, S:Red, S:White, South Carolina, Spinnerets:No, Tennessee, Texas, Venomous, Virginia, Wisconsin12 Comments

Latrodectus, the black widow spider is one of the most famed and feared spider genera in the world. Hollywood tends to use only one kind of Black Widow in its films. It is always shown as a shiny black spider with a red hourglass on the dorsal side of its abdomen. However, this is not […]

Latrodectus Hersperus – Western Black Widow

By usaspidersPosted on September 11, 2020August 14, 2021Posted in Theridiidae - Cobweb Spiders, Widow SpidersTagged Arizona, California, Colorado, Hairy:No, Kansas, LegLength:Long, LegLength:Medium, LegPattern:Uniform, Medium, Nebraska, Nevada, New Mexico, Oklahoma, Oregon, P:Black, P:Brown, S:Red, S:White, S:Yellow, Spinnerets:No, Texas, Utah, Venomous, Washington45 Comments

Latrodectus hesperus, the Western black widow spider is one of the few medically significant venomous spiders in the United States. As its common name suggests, it can be found in the Western States of the US as well as in Canada. Description of the Western Black Widow The larger female Western black widow looks very […]

Latrodectus Geometricus – Brown Widow

By usaspidersPosted on September 11, 2020February 5, 2021Posted in Theridiidae - Cobweb Spiders, Widow SpidersTagged Alabama, Arkansas, California, Florida, Georgia, Hairy:No, Hawaii, LegLength:Long, LegLength:Medium, LegPattern:Banded, Louisiana, Medium, Mississippi, P:Brown, S:Black, S:Cream, S:Red, Small, South Carolina, Spinnerets:No, Tennessee, Texas28 Comments

Latrodectus geometricus, commonly called the brown widow spider, is one of the most common widow spiders that can be found in the United States. Its range is restricted to the warm Southern States ranging from California to Florida and South Carolina as well as Hawaii. It is not a native US species and has been […]