Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada

Class Arachnida - Arachnids


The information below is based on images submitted and identified by contributors. Range and date information may be incomplete, overinclusive, or just plain wrong.

Contributed Images Map No Images   Images
Range map for Arachnids

Hover over black occurrence boxes to see number of images submitted. Log in to make states, months and boxes clickable.
JanFebMarAprMayJunJulAugSepOctNovDec
Alabama40301071712101772642622101688471
Alaska1784910211513085479410
Alberta48354611919522318314972434352
Arizona2763085476227138271146935640576291157
Arkansas2013511352152181441332481635217
British Columbia10149104294287516419378479388350160
California76781215772121236823701742147213171317856542
Colorado3449971672873684093013431814214
Connecticut431539948158939047142
Delaware4 1827727072789641118
District of Columbia 117841616   
Florida736648783787816929785706558652667806
Georgia7264255315431434384317299271167102
Hawaii    2       
Idaho1612940424968484692
Illinois16251552594015674334644832908727
Indiana112432851782711541881441322153
Iowa2529431032793653382432461261813
Kansas14132156100120126124191177225
Kentucky94611171863884303773954872688552
Louisiana326010812119412821720513617112652
Maine15115012424161068847531326529153
Manitoba54112225734651332 4
Maryland718427558810051074879932983642219139
Massachusetts16517239170510661144913820798538224110
JanFebMarAprMayJunJulAugSepOctNovDec
Michigan14244196179275247205211863422
Minnesota8710073384830581474309931610
Mississippi2926826710070685896561821
Missouri2345971733372912802423251657310
Montana13121926124791211808464412
Nebraska57245287118757170514 
Nevada111063103113165848264491819
New Brunswick212436211018310086933173
New Hampshire363858172234284223231170945135
New Jersey3074151309506615462376409399117102
New Mexico2334771191542492412332041697527
New York326511523168790676367857530511447
Newfoundland/Labrador14771841711536245654
North Carolina103183285512618577573524641438177153
North Dakota9 61632412430171371
Northwest Territories    1172    
Nova Scotia  52514414747341741
Nunavut      93    
Ohio192149182345465327370285170594
Oklahoma64107229303482339400331428326185102
Ontario27351572074538407066015052456327
Oregon1019119024034742234435026219710261
Pennsylvania9296353748125713351226101886662421528
Prince Edward Island     2322   
Quebec9516103246395279314419170394
Rhode Island1266810623712094794072
JanFebMarAprMayJunJulAugSepOctNovDec
Saskatchewan6203310520635224819413173299
South Carolina65423411921414921220017614111658
South Dakota 1111124838502014 3
Tennessee29351092133373012933162091786363
Texas3912958301232120811841292116210091069956443
Utah1515881171841882882151901545225
Vermont5152568921171421279262166
Virginia9066207319589553509561655405160114
Washington101200208364587643501457567572147112
West Virginia2152524648548606843181
Wisconsin22137193281570470404427128445
Wyoming161122375347687220413
Yukon Territory    214368