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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 25224545146 
Alaska 2  41524252 2 
Alberta2   33 2    
Arizona143125101413 3 4
Arkansas1117 111 1723
British Columbia 139149131134135
California4123363838623427223150116
Colorado  164619 3  
Connecticut  2117517 14  
Delaware  41110165    
District of Columbia          12
Florida50202531254248481182074
Georgia463388153 4  
Idaho    111     
Illinois7553422415125119285
Indiana19758 12 13 
Iowa 2322 122  1
Kansas    341  2  
Kentucky 2132 26  42
Louisiana  325 7  3  
Maine  101011243427262563
Manitoba     114 1  
Maryland9133317212127911191216
Massachusetts664857393033231719123
Michigan4 2126106 571 
JanFebMarAprMayJunJulAugSepOctNovDec
Minnesota  77213312   
Mississippi    132   6 
Missouri114 22 122  
Montana  2 41 12   
Nebraska   4 1 5  6 
Nevada325 111 2  2
New Brunswick   23 2  214
New Hampshire 2383157125 8 
New Jersey  6181211771010  
New Mexico23 114161324 
New York68253321254617171853
Newfoundland/Labrador   14253513 4  5
North Carolina8713371021494421
North Dakota    1       
Northwest Territories    1       
Nova Scotia    1 17 1   
Ohio   123  133  
Oklahoma32532 3 4 12
Ontario 321015141855752
Oregon18776122323545510
Pennsylvania 51591668576 3
Prince Edward Island      5     
Quebec  38115353141 
Rhode Island  5920636064403 4
Saskatchewan   1 1      
South Carolina4212 11512 112 
JanFebMarAprMayJunJulAugSepOctNovDec
South Dakota      1 1   
Tennessee217464510  1 
Texas25822131531181883176
Utah 2  516 33  
Vermont 1 21 2 421 
Virginia3172118522452
Washington311152120131524141122
West Virginia3217  12331 
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 © 2003-2021 Iowa State University, unless otherwise noted.

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