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Banded Garden Spider
Argiope trifasciata
380 observations
Goldenrod Crab Spider
Misumena vatia
326 observations
Zebra Jumping Spider
Salticus scenicus
216 observations
Hobo Spider
Eratigena agrestis
162 observations
Rocky Mountain Maple Felt Mite
Aceria calaceris
158 observations
European Harvestman
Phalangium opilio
156 observations
Johnson's Jumping Spider
Phidippus johnsoni
138 observations
California Flattened Jumping Spider
Platycryptus californicus
110 observations
Cat-faced Orbweaver
Araneus gemmoides
107 observations
Western Black Widow
Latrodectus hesperus
96 observations
Grass Spiders
Agelenopsis
95 observations
Bold Jumping Spider
Phidippus audax
90 observations
Tigrosa grandis
Tigrosa grandis
78 observations
Barn Funnel Weaver
Tegenaria domestica
72 observations
Bronze Jumping Spider
Eris militaris
68 observations
Filmy Dome Spider
Neriene radiata
68 observations
Apache Jumping Spider
Phidippus apacheanus
66 observations
Fierce Orbweaver
Araneus saevus
61 observations
Yellow Garden Spider
Argiope aurantia
51 observations
Nordmann's Orbweaver Spider
Araneus nordmanni
51 observations
Shamrock Orbweaver
Araneus trifolium
50 observations
Plum Finger Gall Mite
Eriophyes emarginatae
47 observations
Six-spotted Orbweaver
Araniella displicata
46 observations
Ornamental Orbweaver
Larinioides patagiatus
33 observations
Marbled Purple Jumping Spider
Phidippus purpuratus
30 observations
Western Lynx Spider
Oxyopes scalaris
30 observations
Carolina Wolf Spider
Hogna carolinensis
29 observations
Habronattus americanus
Habronattus americanus
26 observations
Thanatus
Thanatus
25 observations
Rocky Mountain Wood Tick
Dermacentor andersoni
25 observations
Conical Trashline Orbweaver
Cyclosa conica
24 observations
Northern Scorpion
Paruroctonus boreus
24 observations
Forest Wolf Spider
Hogna frondicola
23 observations
Brilliant Jumping Spider
Phidippus clarus
21 observations
Boreal Tufted Jumping Spider
Phidippus borealis
21 observations
Tyrell's Tufted Jumping Spider
Phidippus tyrrelli
20 observations
Six-spotted Fishing Spider
Dolomedes triton
19 observations
Common candy-striped spider
Enoplognatha ovata
18 observations
Utah Crab Spider
Bassaniana utahensis
17 observations
Triangulate Combfoot
Steatoda triangulosa
16 observations
Shoreline Wolf Spider
Arctosa littoralis
15 observations
Pelegrina aeneola
Pelegrina aeneola
15 observations
McCook's Split Wolf Spider
Schizocosa mccooki
13 observations
Asiatic Wall Jumping Spider
Attulus fasciger
12 observations
Proszynski's Jumping Spider
Evarcha proszynskii
11 observations
American Dog Tick
Dermacentor variabilis
10 observations
Arabesque Orbweaver
Neoscona arabesca
10 observations
Marbled Orbweaver
Araneus marmoreus
10 observations
Habronattus jucundus
Habronattus jucundus
9 observations
box elder pouch gall mite
Aceria negundi
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)
- Hobo Spider (Eratigena agrestis)
- Rocky Mountain Maple Felt Mite (Aceria calaceris)
- European Harvestman (Phalangium opilio)
- Johnson's Jumping Spider (Phidippus johnsoni)
- California Flattened Jumping Spider (Platycryptus californicus)
- Cat-faced Orbweaver (Araneus gemmoides)
- Western Black Widow (Latrodectus hesperus)
- The most observed arachnid in Montana is Banded Garden Spider (Argiope trifasciata), with 380 recorded observations.