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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
Alabama403211118622821529627723222510284
Alaska1785010212215190509510
Alberta48354611919722618315480434352
Arizona32837763969477290912471048724642334191
Arkansas2613521352202211471362481785923
British Columbia11064107301298522421404534437365167
California85385716312179244424541825156614051442935603
Colorado3550971712963914313183642034515
Connecticut7315481059760979355152
Delaware4 1827737073789642138
District of Columbia 1178716171  
Florida782722839848862943810724585686771843
Georgia7666258323445447396325311277174107
Idaho1612940315072595392
Illinois16251592594096004764764952989327
Indiana112432871782751552241861382153
Iowa2634431093324513862862671472615
Kansas141428571081221271312192212818
Kentucky94611191873924413843994952738652
Louisiana347210912620414323321013918413056
Maine15114913225461669048432727630253
Manitoba54112231775256374 4
Maryland8987289646104911209019551028708250142
Massachusetts16517839576611641210954885846592228118
Michigan144243100182289262210219925326
JanFebMarAprMayJunJulAugSepOctNovDec
Minnesota13810079408855590493320942310
Mississippi3026836810170715897571821
Missouri2346971743452982882463271707310
Montana13122231143841291839266412
Nebraska572552112125978379639 
Nevada111063104113179858764502319
New Brunswick213446211918510091953573
New Hampshire3638581732352902292431821036035
New Jersey3174152313507627522379412406117102
New Mexico25481041291692662582422362008729
New York416911524071096580773660933012049
Newfoundland/Labrador1477711817917089601455
North Carolina128199311582652615581539674487200167
North Dakota9 61632442532191371
Northwest Territories    1172    
Nova Scotia  53016415248362441
Nunavut      93    
Ohio312253186354473337372286191645
Oklahoma64107229303484348412347436337187102
Ontario27421692114618587206085142717732
Oregon11110420124036246536436330321511175
Pennsylvania96102353760132313861257107991264722329
Prince Edward Island     3422   
Quebec9716103259408299329420170424
Rhode Island1966810825412095814172
Saskatchewan6203310622336425019814085299
JanFebMarAprMayJunJulAugSepOctNovDec
South Carolina68443612122016422120417815911767
South Dakota 1111125338502114 3
Tennessee29371152163653123063192312037073
Texas4053308471270128512191342120110491125992463
Utah2115901191982123072412001655533
Vermont5152768921221421279564166
Virginia10275222330623590548594714431189145
Washington109201209370593652503465586589153119
West Virginia2173329708557616843215
Wisconsin221574119330678598467581159529
Wyoming161122397149708234717
Yukon Territory    214368