Spiders in Montana

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 [email protected] 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 ...
Read More

Agelenopsis – American Grass Spider

Agelenopsis, American grass spiders, are a genus of spiders that can be found around the world and in every US ...
Read More

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 ...
Read More

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 ...
Read More

Araneus Trifolium – Shamrock Spider

Araneus trifolium, the shamrock spider, is a widely distributed orb weaver that can come in various colors, mostly beige or ...
Read More

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 ...
Read More

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 ...
Read More

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 ...
Read More

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 ...
Read More

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 ...
Read More

Dolomedes – Fishing Spider

As the name suggests, the fishing spider is a semi-aquatic genus of spiders that are found all over the world ...
Read More

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, ...
Read More

Eratigena Agrestis – Hobo Spider

Eratigena agrestis, commonly know as the hobo spider, is a funnel web spider that can be found in the Pacific ...
Read More

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 ...
Read More

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 ...
Read More

Larinioides Cornutus – Furrow Spider

Larinioides Cornutus, commonly known as the furrow spider, is an orb weaver species that can be found throughout the Northern ...
Read More

Lycosidae – Wolf Spider

The Lycosidae, commonly called wolf spiders are a family of hunter spiders found throughout the United States and the rest ...
Read More

Misumena – Flower Crab Spider

The misumena, commonly called flower crab spider, is a genus of spiders that hunt their prey in or around flowers ...
Read More

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 ...
Read More

Pachygnatha

The Pachygnatha is technically part of the Orb Weaver family. However, it does not spin a web and is a ...
Read More

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 ...
Read More

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 ...
Read More

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 ...
Read More

Philodromus – Running Crab Spider

Philodromus, commonly called running crab spider, is a genus of crab spiders. Various species can be found throughout the entire ...
Read More

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 ...
Read More

Salticus Scenicus – Zebra Spider

Salticus scenicus, the zebra spider, is a jumping spider that can be found in the entire Northern Hemisphere. As its ...
Read More

Scotophaeus Blackwalli – Mouse Spider

Scotophaeus blackwalli, the mouse spider is a ground spider that is common in Central and Northern Europe and the Western ...
Read More

Scytodes Thoracica – Spitting Spider

The spitting spider, scientifically called Scytodaes thoracica, is a fascinating type of hunting spider that captures and paralyzes its prey ...
Read More

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 ...
Read More

Steatoda borealis

Steatoda borealis, a spider species that belongs to the genus Steatoda is one of the members family of Theridiidae. In ...
Read More

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 ...
Read More

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 ...
Read More

Ummidia – Trap-Door Spider

Ummidia is a genus of spiders that can be found around the world. Among other genus, they are commonly called ...
Read More

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 ...
Read More

Xysticus – Ground Crab Spider

Spiders of the Xysticus genus, also called ground crab spiders are a rather indistinct species. As all crab spiders, they ...
Read More

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 ...
Read More