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Banded Garden Spider
Argiope trifasciata
414 observations
Goldenrod Crab Spider
Misumena vatia
402 observations
Zebra Jumping Spider
Salticus scenicus
274 observations
Rocky Mountain Maple Felt Mite
Aceria calaceris
193 observations
Johnson's Jumping Spider
Phidippus johnsoni
186 observations
Hobo Spider
Eratigena agrestis
170 observations
European Harvestman
Phalangium opilio
165 observations
California Flattened Jumping Spider
Platycryptus californicus
137 observations
Western Black Widow
Latrodectus hesperus
127 observations
Cat-faced Orbweaver
Araneus gemmoides
120 observations
Bold Jumping Spider
Phidippus audax
109 observations
Grass Spiders
Agelenopsis
99 observations
Tigrosa grandis
Tigrosa grandis
81 observations
Bronze Jumping Spider
Eris militaris
80 observations
Apache Jumping Spider
Phidippus apacheanus
80 observations
Barn Funnel Weaver
Tegenaria domestica
79 observations
Western Lynx Spider
Oxyopes scalaris
76 observations
Filmy Dome Spider
Neriene radiata
75 observations
Fierce Orbweaver
Araneus saevus
67 observations
Six-spotted Orbweaver
Araniella displicata
61 observations
Yellow Garden Spider
Argiope aurantia
57 observations
Nordmann's Orbweaver Spider
Araneus nordmanni
55 observations
Plum Finger Gall Mite
Eriophyes emarginatae
52 observations
Shamrock Orbweaver
Araneus trifolium
50 observations
Ornamental Orbweaver
Larinioides patagiatus
38 observations
Marbled Purple Jumping Spider
Phidippus purpuratus
34 observations
Habronattus americanus
Habronattus americanus
33 observations
Rocky Mountain Wood Tick
Dermacentor andersoni
32 observations
Carolina Wolf Spider
Hogna carolinensis
31 observations
Conical Trashline Orbweaver
Cyclosa conica
30 observations
Forest Wolf Spider
Hogna frondicola
28 observations
Tyrell's Tufted Jumping Spider
Phidippus tyrrelli
27 observations
Boreal Tufted Jumping Spider
Phidippus borealis
27 observations
Brilliant Jumping Spider
Phidippus clarus
26 observations
Thanatus
Thanatus
26 observations
Northern Scorpion
Paruroctonus boreus
25 observations
Triangulate Combfoot
Steatoda triangulosa
23 observations
Utah Crab Spider
Bassaniana utahensis
23 observations
Common candy-striped spider
Enoplognatha ovata
21 observations
Pelegrina aeneola
Pelegrina aeneola
20 observations
Six-spotted Fishing Spider
Dolomedes triton
20 observations
Shoreline Wolf Spider
Arctosa littoralis
18 observations
Asiatic Wall Jumping Spider
Attulus fasciger
17 observations
McCook's Split Wolf Spider
Schizocosa mccooki
16 observations
Oblong Running Spider
Tibellus oblongus
15 observations
Proszynski's Jumping Spider
Evarcha proszynskii
14 observations
American Dog Tick
Dermacentor variabilis
11 observations
Arabesque Orbweaver
Neoscona arabesca
11 observations
Habronattus jucundus
Habronattus jucundus
11 observations
Marbled Orbweaver
Araneus marmoreus
10 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)
- Johnson's Jumping Spider (Phidippus johnsoni)
- Hobo Spider (Eratigena agrestis)
- European Harvestman (Phalangium opilio)
- California Flattened Jumping Spider (Platycryptus californicus)
- Western Black Widow (Latrodectus hesperus)
- Cat-faced Orbweaver (Araneus gemmoides)
- The most observed arachnid in Montana is Banded Garden Spider (Argiope trifasciata), with 414 recorded observations.