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Banded Garden Spider
Argiope trifasciata
385 observations
Goldenrod Crab Spider
Misumena vatia
355 observations
Zebra Jumping Spider
Salticus scenicus
247 observations
Rocky Mountain Maple Felt Mite
Aceria calaceris
167 observations
Hobo Spider
Eratigena agrestis
166 observations
Johnson's Jumping Spider
Phidippus johnsoni
162 observations
European Harvestman
Phalangium opilio
157 observations
California Flattened Jumping Spider
Platycryptus californicus
119 observations
Cat-faced Orbweaver
Araneus gemmoides
110 observations
Bold Jumping Spider
Phidippus audax
105 observations
Western Black Widow
Latrodectus hesperus
103 observations
Grass Spiders
Agelenopsis
96 observations
Tigrosa grandis
Tigrosa grandis
80 observations
Barn Funnel Weaver
Tegenaria domestica
78 observations
Bronze Jumping Spider
Eris militaris
73 observations
Filmy Dome Spider
Neriene radiata
71 observations
Apache Jumping Spider
Phidippus apacheanus
66 observations
Fierce Orbweaver
Araneus saevus
61 observations
Yellow Garden Spider
Argiope aurantia
53 observations
Nordmann's Orbweaver Spider
Araneus nordmanni
51 observations
Western Lynx Spider
Oxyopes scalaris
51 observations
Plum Finger Gall Mite
Eriophyes emarginatae
51 observations
Six-spotted Orbweaver
Araniella displicata
49 observations
Shamrock Orbweaver
Araneus trifolium
49 observations
Ornamental Orbweaver
Larinioides patagiatus
34 observations
Rocky Mountain Wood Tick
Dermacentor andersoni
32 observations
Marbled Purple Jumping Spider
Phidippus purpuratus
31 observations
Habronattus americanus
Habronattus americanus
31 observations
Carolina Wolf Spider
Hogna carolinensis
30 observations
Conical Trashline Orbweaver
Cyclosa conica
27 observations
Forest Wolf Spider
Hogna frondicola
27 observations
Thanatus
Thanatus
26 observations
Northern Scorpion
Paruroctonus boreus
25 observations
Boreal Tufted Jumping Spider
Phidippus borealis
23 observations
Brilliant Jumping Spider
Phidippus clarus
21 observations
Utah Crab Spider
Bassaniana utahensis
21 observations
Tyrell's Tufted Jumping Spider
Phidippus tyrrelli
20 observations
Triangulate Combfoot
Steatoda triangulosa
20 observations
Six-spotted Fishing Spider
Dolomedes triton
20 observations
Common candy-striped spider
Enoplognatha ovata
20 observations
Pelegrina aeneola
Pelegrina aeneola
18 observations
Shoreline Wolf Spider
Arctosa littoralis
15 observations
McCook's Split Wolf Spider
Schizocosa mccooki
15 observations
Proszynski's Jumping Spider
Evarcha proszynskii
13 observations
Asiatic Wall Jumping Spider
Attulus fasciger
12 observations
Arabesque Orbweaver
Neoscona arabesca
11 observations
American Dog Tick
Dermacentor variabilis
10 observations
Marbled Orbweaver
Araneus marmoreus
10 observations
Oblong Running Spider
Tibellus oblongus
9 observations
Pholcophora americana
Pholcophora americana
9 observations
Frequently Asked Questions
- The 10 most common arachnids in Montana are:
- Banded Garden Spider (Argiope trifasciata)
- Goldenrod Crab Spider (Misumena vatia)
- Zebra Jumping Spider (Salticus scenicus)
- Rocky Mountain Maple Felt Mite (Aceria calaceris)
- Hobo Spider (Eratigena agrestis)
- Johnson's Jumping Spider (Phidippus johnsoni)
- European Harvestman (Phalangium opilio)
- California Flattened Jumping Spider (Platycryptus californicus)
- Cat-faced Orbweaver (Araneus gemmoides)
- Bold Jumping Spider (Phidippus audax)
- The most observed arachnid in Montana is Banded Garden Spider (Argiope trifasciata), with 385 recorded observations.