Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Clickable Guide
Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes

Calendar
Upcoming Events

See Moth submissions from National Moth Week 2023

Photos of insects and people from the 2022 BugGuide gathering in New Mexico, July 20-24

Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2

Photos of insects and people from the 2019 gathering in Louisiana, July 25-27

Photos of insects and people from the 2018 gathering in Virginia, July 27-29

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12


Previous events


TaxonomyBrowseInfoImagesLinksBooks
Data

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
Alabama403211118622821529627723222510282
Alaska1785010212215189509510
Alberta48354611919722618315475434352
Arizona30636263169376490312251024714640331185
Arkansas2613521352202211471362481725919
British Columbia10251106301295521421404534431355160
California82784116202178243824421823155414041436923592
Colorado3449971712963894303183642034515
Connecticut7315481039760939355152
Delaware4 1827737073789641138
District of Columbia 1178716171  
Florida771678816848855941810724583688735826
Georgia7665258323444444394325310277172104
Idaho1612940314972595392
Illinois16251572604096004754754952989327
Indiana112432871782751552241851382153
Iowa2632431073204103692702561372614
Kansas141421571081221261282192183111
Kentucky94611191873924413843994952738652
Louisiana336410812620214223321013918413053
Maine15114912625461669048432427630253
Manitoba54112230755056374 4
Maryland8486277640104811189009551024705246139
Massachusetts16517439576411581206954882838591228118
Michigan142441100181289262210219925322
JanFebMarAprMayJunJulAugSepOctNovDec
Minnesota13710079408853585489320942210
Mississippi2926836810170715897571821
Missouri2346971743452962882463271707310
Montana13121931143841291839266412
Nebraska572552112125977775629 
Nevada111063104113173858764502319
New Brunswick212436211918510091953573
New Hampshire3638581732352902292431781035835
New Jersey3074151313507628522379410406117102
New Mexico2537821291682652582422252008729
New York346811524071096580873660832712047
Newfoundland/Labrador1477711817917089601454
North Carolina106189308577650613580535671481197157
North Dakota9 61632442432171371
Northwest Territories    1172    
Nova Scotia  53016415248362441
Nunavut      93    
Ohio272149186354473336372286182644
Oklahoma64107229303484348412347436337187102
Ontario27401622114588577206055102717531
Oregon1069319624036246336136330321511170
Pennsylvania96102353759132313861257107990964522329
Prince Edward Island     3422   
Quebec9516103257403299329420170424
Rhode Island1266810825412095814172
Saskatchewan6203310622336425019814085299
JanFebMarAprMayJunJulAugSepOctNovDec
South Carolina68443512122016422120417815911766
South Dakota 1111125338502114 3
Tennessee29371152153643113063182242037065
Texas3913078421267127812161342119910441126990451
Utah1515901191962083072332001655525
Vermont5152668921221421279564166
Virginia10275221330624584544593704428189136
Washington109201209368593652501465586587153117
West Virginia2153329708557616843212
Wisconsin221474119330678592467577159525
Wyoming161122397149708231713
Yukon Territory    214368