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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 556658451561
Alaska 2  61724252 2 
Alberta2   37 2    
Arizona143126101713 8 4
Arkansas1117 111 1733
British Columbia 139149131134135
California4124404340643528263250117
Colorado  166619 3  
Connecticut  2117517 14  
Delaware  41110165    
District of Columbia          12
Florida61213232374353661192579
Georgia46338815314  
Idaho    111     
Illinois7553422515135149285
Indiana19758 12 13 
Iowa 2352 122  1
Kansas    341  2  
Kentucky 2132 26  42
Louisiana4 335 7  3  
Maine  101011243427303073
Manitoba     414 1  
Maryland9153617212127912201216
Massachusetts664863393033242520123
Michigan4 2126106 571 
JanFebMarAprMayJunJulAugSepOctNovDec
Minnesota  77233312   
Mississippi4 21132  16 
Missouri114 22 132  
Montana  2 101 12   
Nebraska  34 1 5  6 
Nevada325 111 2  2
New Brunswick   23 2  214
New Hampshire 2383157126112 
New Jersey  6181211771012  
New Mexico23 114311326 
New York78253421274717191953
Newfoundland/Labrador   14253513 4  5
North Carolina811153710216134421
North Dakota    1       
Northwest Territories    1       
Nova Scotia    1117 1   
Ohio   123  133  
Oklahoma32532 3 4 12
Ontario 321215171855752
Oregon177711122323845510
Pennsylvania 715101671577615
Prince Edward Island      5     
Quebec  38115353151 
Rhode Island  5920637274406 4
Saskatchewan   1 11     
South Carolina4212 11513 112 
JanFebMarAprMayJunJulAugSepOctNovDec
South Dakota      1 1   
Tennessee2174114510  1 
Texas258241516311818123186
Utah 2  516 33  
Vermont 1 21 2 421 
Virginia131132118725453
Washington311152120131524141122
West Virginia3217  12331 
Wisconsin2 246463 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 © 2003-2022 Iowa State University, unless otherwise noted.

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