This page provides an overview of the most common spiders in Montana. Just click on any of the images or links to learn more about the spider.
If you have found a spider in Montana that is not on our list, make sure to send us a picture via email to usaspiders@gmail.com and we will include it. If you cannot identify the spider, no problem. We will try our best and find out what species you’ve got. Follow the tips found here to take an ideal photo and describe the spider so we can help with the identification.
Common spiders in Montana
Acanthepeira Stellata – Starbellied Orb Weaver
Acanthepeira stellata, commonly called the starbellied orb weaver, is one of the most remarkable and memorable orb weaver spiders. Its ...
Agelenopsis – American Grass Spider
Agelenopsis, American grass spiders, are a genus of spiders that can be found around the world and in every US ...
Araneus Gemmoides – Cat-Faced Spider or Jewel Spider
The Araneus Gemmoides is an orb weaver species that occurs in the Western United States. It is also known under ...
Araneus Marmoreus – Marbled Orb Weaver
Araneus marmoreus, The marbled orb weaver is a colorful orb weaver species. Due to its orange color, it is sometimes ...
Araneus Trifolium – Shamrock Spider
Araneus trifolium, the shamrock spider, is a widely distributed orb weaver that can come in various colors, mostly beige or ...
Argiope Aurantia – Black and Yellow Garden Spider
The Argiope Aurantia or black and yellow garden spider appears in every US state and in many other countries around ...
Argiope Trifasciata – Banded Garden Spider
The Argiope trifasciata or Banded Garden Spider is one of the most common species of the Argiope orb weaving spider ...
Castianeira Descripta – Red-Spotted Ant Mimic Spider
Castianeira descripta, more commonly know as the red-spotted ant mimic spider gets its common name from the similar look and ...
Cheiracanthium Mildei – Northern Yellow Sac Spider
Cheiracanthium mildei, the northern yellow sac spider is one of the most common spiders in Northeastern America. However, it can ...
Clubiona – Leaf-Curling Sac Spider
Spiders of the genus Clubiona, commonly called leaf-curling sac spiders, can be found throughout the world and in every US ...
Dolomedes – Fishing Spider
As the name suggests, the fishing spider is a semi-aquatic genus of spiders that are found all over the world ...
Enoplognatha Ovata – Candy-Striped Spider
Candy-striped spider is not only one of the coolest names for a spider - it also looks great. This spider, ...
Eratigena Agrestis – Hobo Spider
Eratigena agrestis, commonly know as the hobo spider, is a funnel web spider that can be found in the Pacific ...
Frontinella Pyramitela – Bowl and Doily Spider
The bowl and doily spiders, known as Frontinella pyramitela, are a small species of spiders that belong to the family ...
Herpyllus Ecclesiasticus – Eastern Parson Spider
Herpyllus ecclesiasticus, The Eastern parson spider is one of the most commonly encountered hunter spiders in the United States. The ...
Larinioides Cornutus – Furrow Spider
Larinioides Cornutus, commonly known as the furrow spider, is an orb weaver species that can be found throughout the Northern ...
Lycosidae – Wolf Spider
The Lycosidae, commonly called wolf spiders are a family of hunter spiders found throughout the United States and the rest ...
Misumena – Flower Crab Spider
The misumena, commonly called flower crab spider, is a genus of spiders that hunt their prey in or around flowers ...
Neoscona Arabesca – Arabesque Orb Weaver
Neoscona arabesca, commonly known as the arabesque orbweaver, is one of the most common orbweaver species that can be found ...
Pachygnatha
The Pachygnatha is technically part of the Orb Weaver family. However, it does not spin a web and is a ...
Parasteatoda tepidariorum – The Common House Spider
Parasteatoda tepidariorum, or the common house spider can be found in every US state. The spider is also distributed throughout ...
Phidippus audax – Daring Jumping Spider
Phidippus audax, commonly known as the daring jumping spider is a jumping spider found throughout the USA. As their name ...
Phidippus Johnsoni – Red-Backed Jumping Spider
The red-backed jumping spider, Phidippus johnsoni, is found throughout the Western United States and Canada. The spider has a black ...
Philodromus – Running Crab Spider
Philodromus, commonly called running crab spider, is a genus of crab spiders. Various species can be found throughout the entire ...
Pholcidae – Daddy Long-Legs or Cellar Spider
As strange as it sounds, the Pholcidae, or Cellar Spider is one of the most misunderstood spiders in the world ...
Salticus Scenicus – Zebra Spider
Salticus scenicus, the zebra spider, is a jumping spider that can be found in the entire Northern Hemisphere. As its ...
Scotophaeus Blackwalli – Mouse Spider
Scotophaeus blackwalli, the mouse spider is a ground spider that is common in Central and Northern Europe and the Western ...
Scytodes Thoracica – Spitting Spider
The spitting spider, scientifically called Scytodaes thoracica, is a fascinating type of hunting spider that captures and paralyzes its prey ...
Steatoda Bipunctata – Rabbit Hutch Spider
The Steatoda bipunctata, commonly called rabbit hutch spider is a black spider found throughout the United States. It comes from ...
Steatoda borealis
Steatoda borealis, a spider species that belongs to the genus Steatoda is one of the members family of Theridiidae. In ...
Steatoda Grossa – False Black Widow Spider
The Steatoda grossa, commonly called the false black widow spider or cupboard spider can be found throughout the United States ...
Steatoda Triangulosa – Triangulate Cobweb Spider
The Steatoda triangulosa, commonly called the triangulate cobweb spider is a brown-black spider found throughout the US. It has an ...
Ummidia – Trap-Door Spider
Ummidia is a genus of spiders that can be found around the world. Among other genus, they are commonly called ...
Verrucosa Arenata – Arrowhead Spider
The arrow-head spider, Verrucosa arenata, is an orb-weaver spider found throughout the United States. Its common name arrowhead spider or ...
Xysticus – Ground Crab Spider
Spiders of the Xysticus genus, also called ground crab spiders are a rather indistinct species. As all crab spiders, they ...
Xysticus Funestus – Deadly Ground Crab Spider
Even though Xysticus funestus has a dangerously-sounding common name, the deadly ground crab spider, it is of absolutely no concern ...
