Montana 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, Wisconsin29 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, Wisconsin19 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, Wisconsin12 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, Wyoming2 Comments

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, Wyoming26 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, Wyoming19 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 […]

Eratigena Agrestis – Hobo Spider

By usaspidersPosted on May 1, 2020August 14, 2021Posted in Agelenidae - Funnel-Web Spiders, Hobo SpiderTagged California, Colorado, Hairy:Yes, Idaho, Large, LegLength:Long, LegLength:Medium, LegPattern:Uniform, Medium, Montana, Oregon, P:Brown, S:Black, S:None, Spinnerets:Yes, Utah, Washington, Wyoming11 Comments

Eratigena agrestis, commonly know as the hobo spider, is a funnel web spider that can be found in the Pacific Northwest. In the 90ies, the hobo spider has been listed as a medically important species. However, over the last 30 years, no actual evidence has been found that the spider is actually dangerous for humans. […]

Araneus Marmoreus – Marbled Orb Weaver

By usaspidersPosted on December 15, 2019August 1, 2021Posted in Aranidae - Orb WeaverTagged Alabama, Alaska, Arkansas, Connecticut, Delaware, Georgia, Hairy:Yes, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Large, LegLength:Medium, LegPattern:Banded, Louisiana, maine, Maryland, massachusetts, Medium, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, new hampshire, New Jersey, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, P:Orange, P:Yellow, Pennsylvania, Rhode Island, S:Black, S:Brown, S:Orange, S:White, South Carolina, South Dakota, Tennessee, Texas, vermont, Virginia, Washington, West Virginia, Wisconsin52 Comments

Araneus marmoreus, The marbled orb weaver is a colorful orb weaver species. Due to its orange color, it is sometimes also referred to as pumpkin spider. The marbled orb weaver can be found throughout the east of the United States and in Canada. Marbled orb weaver description The Marbled Orb Weaver can have several appearances. […]

Araneus Gemmoides – Cat-Faced Spider or Jewel Spider

By usaspidersPosted on December 13, 2019December 19, 2020Posted in Aranidae - Orb WeaverTagged Alaska, Arizona, Arkansas, California, Colorado, Hairy:Yes, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, LegLength:Medium, LegPattern:Banded, Medium, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Mexico, North Dakota, Oklahoma, Oregon, P:Brown, P:Grey, P:Orange, S:Black, S:Brown, S:None, S:White, Small, South Dakota, Spinnerets:No, Texas, Utah, Washington, Wisconsin, Wyoming51 Comments

The Araneus Gemmoides is an orb weaver species that occurs in the Western United States. It is also known under the common names cat-faced spider or jewel spider. Both common names reflect the special traits of the body of Araneus gemmoides. The abdomen is large and if seen from the front, cat-faced. Others consider the […]