Colorado Archives - USA Spiders

Steatoda borealis

By usaspidersPosted on September 10, 2021September 10, 2021Posted in Steatoda, Theridiidae - Cobweb SpidersTagged Alaska, Colorado, Connecticut, Delaware, Hairy:No, Illinois, Indiana, Iowa, Kentucky, LegLength:Medium, LegPattern:Uniform, maine, Maryland, massachusetts, Medium, Michigan, Minnesota, Missouri, Montana, Nebraska, new hampshire, New Jersey, New York, North Carolina, Ohio, P:Black, P:Brown, Pennsylvania, Rhode Island, S:Brown, S:White, South Carolina, South Dakota, Spinnerets:No, Tennessee, Utah, vermont, Virginia, West Virginia, Wisconsin22 Comments

Steatoda borealis, a spider species that belongs to the genus Steatoda is one of the members family of Theridiidae. In United States, they are found east of the Rocky Mountains as well as in Alaska. Many spiders in the genus Steatoda are frequently misidentified as widow spiders and are dubbed “false black widows”. And even […]

Enoplognatha Ovata – Candy-Striped Spider

By usaspidersPosted on July 24, 2021August 12, 2021Posted in Theridiidae - Cobweb SpidersTagged Alaska, Colorado, Connecticut, Delaware, Hairy:No, Idaho, Illinois, Indiana, Iowa, LegLength:Long, LegLength:Medium, LegPattern:Banded, LegPattern:Uniform, maine, Maryland, massachusetts, Medium, Michigan, Minnesota, Montana, new hampshire, New Jersey, New York, North Dakota, Ohio, Oregon, P:Brown, P:Green, P:White, P:Yellow, Pennsylvania, Rhode Island, S:Black, S:Brown, S:Green, S:Red, Small, South Dakota, Spinnerets:No, vermont, Virginia, Washington, West Virginia, Wisconsin12 Comments

Candy-striped spider is not only one of the coolest names for a spider – it also looks great. This spider, which goes by the scientific name of Enoplognatha ovata, is part of the cobweb spider family and has been introduced to the United States and Canada from Europe. Over the last years, its populations have […]

Frontinella Pyramitela – Bowl and Doily Spider

By usaspidersPosted on February 25, 2021September 10, 2021Posted in LinyphiidaeTagged Alabama, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, Florida, Georgia, Hairy:No, Illinois, Indiana, Kansas, Kentucky, LegLength:Long, LegLength:Medium, LegPattern:Uniform, Louisiana, maine, Maryland, massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nevada, new hampshire, New Jersey, New York, North Carolina, Ohio, Oklahoma, Oregon, P:Black, P:Brown, P:White, Pennsylvania, Rhode Island, S:Black, S:Brown, S:White, S:Yellow, Small, South Carolina, Spinnerets:No, Tennessee, Texas, Utah, vermont, Virginia, Washington, West Virginia, Wisconsin7 Comments

The bowl and doily spiders, known as Frontinella pyramitela, are a small species of spiders that belong to the family of Linyphiidae. The common name of these spiders comes from its peculiar webs that have a bowl shape with a sheet-web or blanket (doily) beneath it. Like other sheet web weavers, Frotinella pyramitela spiders can […]

Verrucosa Arenata – Arrowhead Spider

By usaspidersPosted on February 25, 2021February 25, 2021Posted in Aranidae - Orb Weaver, VerrucosaTagged Alabama, Alaska, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, Florida, Georgia, Hairy:No, Hairy:Yes, Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, LegLength:Long, LegLength:Medium, LegPattern:Banded, Louisiana, maine, Maryland, massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, new hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, P:Brown, P:Red, P:White, P:Yellow, Pennsylvania, Rhode Island, S:Brown, S:White, S:Yellow, South Carolina, South Dakota, Spinnerets:No, Tennessee, Texas, Utah, vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming1 Comment

The arrow-head spider, Verrucosa arenata, is an orb-weaver spider found throughout the United States. Its common name arrowhead spider or triangle orb weaver comes from the triangle-shaped yellow or white coloration on the spiders’ abdomen. Arrow-Shaped Orbweaver Description Verrucosa arenata are generally easy to distinguish from similar orb weavers because of their special color pattern and […]

Scotophaeus Blackwalli – Mouse Spider

By usaspidersPosted on February 7, 2021February 7, 2021Posted in GnaphosidaeTagged Arizona, Colorado, Hairy:No, Hairy:Yes, Idaho, LegLength:Medium, Medium, Montana, Nevada, P:Brown, P:Grey, S:Black, S:Grey, Spinnerets:Yes, Utah, Wyoming20 Comments

Scotophaeus blackwalli, the mouse spider is a ground spider that is common in Central and Northern Europe and the Western United States. The spider is not of medical significance and should not be confused with the venomous mouse spiders found in Australia of the genus Missulena. Description of the mouse spider The mouse spider is […]

Phidippus Johnsoni – Red-Backed Jumping Spider

By usaspidersPosted on February 7, 2021May 24, 2022Posted in Salticidae - Jumping SpidersTagged Arizona, California, Colorado, Hairy:Yes, Idaho, LegLength:Short, LegPattern:Uniform, Medium, Montana, Nevada, New Mexico, Oregon, P:Black, S:Red, Small, Spinnerets:No, Spinnerets:Yes, Utah, Washington, Wyoming16 Comments

The red-backed jumping spider, Phidippus johnsoni, is found throughout the Western United States and Canada. The spider has a black body and the back of its abdomen is bright red. Description of the Red-Backed Jumping Spider The redbacked jumping spider is generally quite easy to identify. It’s body is predominantly black with a brightly red […]

Western Spotted Orb Weaver – Neoscona Oaxacensis

By usaspidersPosted on February 1, 2021February 1, 2021Posted in Aranidae - Orb WeaverTagged Arizona, California, Colorado, Kansas, Nevada, New Mexico, Oklahoma, Texas54 Comments

The western spotted orb weaver, Neoscona oaxacensis, is a large orb weaving spider found in the Southwestern United States and throughout Central and South America. In the United States, this large, dark-colored orb weaver is most commonly found in grape fields in California. Western Spotted Orbweaver Description While the spider can appear in a number […]

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 […]

Aphonopelma Hentzi – Texas Brown Tarantula

By usaspidersPosted on September 6, 2020February 27, 2021Posted in Theraphosidae - TarantulasTagged Arizona, Arkansas, Colorado, Hairy:Yes, Kansas, Large, LegLength:Long, LegLength:Medium, LegPattern:Uniform, Louisiana, Missouri, New Mexico, Oklahoma, P:Black, P:Brown, S:Brown, S:Cream, Spinnerets:No, Spinnerets:Yes, Texas8 Comments

Aphonopelma hentzi, the Texas brown tarantula is one of the largest species of spiders native to the Southern United States. The large brown and furry spider lives in arid climate. Since they are a non-aggressive and docile species, they have become a popular pet spider throughout the U.S. and in other parts of the world. […]

Phidippus Regius – Regal Jumping Spider

By usaspidersPosted on May 6, 2020July 21, 2021Posted in Salticidae - Jumping SpidersTagged Alabama, Arizona, Arkansas, California, Colorado, Florida, Georgia, Hairy:Yes, Hawaii, Kentucky, LegLength:Short, LegPattern:Banded, Louisiana, Medium, Mississippi, Nevada, New Mexico, North Carolina, P:Black, P:Grey, P:Red, P:White, S:Black, S:Red, S:White, Small, South Carolina, Spinnerets:No, Tennessee, Texas, Virginia, West Virginia31 Comments

Phidippus regius, the regal jumping spider, is one of the largest species of the jumping spiders of the Phidippus genera. It occurs mostly in the Southeastern United States as well as the Caribbean and the Easter Islands. The largest share of its population can be found in the state of Florida. Over the last years, […]