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Home » Guide » Arthropods (Arthropoda) » Crustaceans (Crustacea)

Subphylum Crustacea - Crustaceans


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 Crustaceans
Credits: Generated with MapServer. BugGuide integration kindly provided by Mike Boone.

Hover over black occurrence boxes to see number of images submitted. Log in to make states, months and boxes clickable.
JanFebMarAprMayJunJulAugSepOctNovDec
Alabama 23224543136 
Alaska 2  41524252 2 
Alberta2   33 2    
Arizona14312510313   4
Arkansas  1 11  17  
British Columbia 139149131134134
California4122353838523127223147116
Colorado  163316 3  
Connecticut   107417  4  
Delaware  41110165    
District of Columbia          12
Florida48171131243739471051374
Georgia263348153 2  
Idaho    111     
Illinois6 4940231464119285
Indiana19756 12 13 
Iowa 2322 122  1
Kansas    341  2  
Kentucky 2122 26   2
Louisiana  3 1 7  3  
Maine  101011233427262563
Manitoba     114 1  
Maryland913311718212797191216
Massachusetts664457363033211519123
Michigan4 2126106 561 
JanFebMarAprMayJunJulAugSepOctNovDec
Minnesota  77211312   
Mississippi     11     
Missouri 14 22 112  
Montana  2 31 12   
Nebraska     1 5  6 
Nevada325 111 2  2
New Brunswick   23 2  214
New Hampshire 2383157125 8 
New Jersey  6181211771010  
New Mexico 1 111151324 
New York38253217224517171753
Newfoundland/Labrador   14253513 4  5
North Carolina87837921494411
North Dakota    1       
Northwest Territories    1       
Nova Scotia    1 17 1   
Ohio   93  133  
Oklahoma32532 3 4 12
Ontario 331115141855752
Oregon18776122320545510
Pennsylvania 51391365546 3
Prince Edward Island      3     
Quebec  38115353141 
Rhode Island  5920636064403 4
Saskatchewan   1 1      
South Carolina3212 8512 111 
JanFebMarAprMayJunJulAugSepOctNovDec
South Dakota      1 1   
Tennessee217464510  1 
Texas25722131429181883166
Utah 2  415 22  
Vermont 1 21 2 421 
Virginia3172118522452
Washington311152020131523141122
West Virginia3217  12 31 
Wisconsin2 246453 18 
Wyoming   1     1  
Yukon Territory            

Disclaimer: Dedicated naturalists volunteer their time and resources here to provide this service. We strive to provide accurate information, but we are mostly just amateurs attempting to make sense of a diverse natural world. If you need expert professional advice, contact your local extension office.

Contributors own the copyright to and are solely responsible for contributed content.
Click the contributor's name for licensing and usage information.
Everything else copyright © 2003-2020 Iowa State University, unless otherwise noted.

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