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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 657658571661
Alaska 2  61724252 2 
Alberta2  237 2    
Arizona743156101821 8 4
Arkansas1117 111 1734
British Columbia 1314169141334135
California4328454452674244413770118
Colorado  166619 3  
Connecticut  2117517 14  
Delaware  41110165    
District of Columbia          12
Florida612132333251536712102579
Georgia46338815317  
Idaho    111     
Illinois7553422818145159285
Indiana19758 12 13 
Iowa 2352 122  1
Kansas    341  2  
Kentucky 2132 26  42
Louisiana4 335 7  3  
Maine  101011253427323073
Manitoba     414 1  
Maryland11153522212130913211216
Massachusetts664864393033272920123
Michigan4 2136106 671 
JanFebMarAprMayJunJulAugSepOctNovDec
Minnesota  77237312   
Mississippi4 22132  16 
Missouri117 221232  
Montana  2 101 12   
Nebraska  3423 5  6 
Nevada325 111 2  2
New Brunswick   23 2  214
New Hampshire 23831510126112 
New Jersey  6181211771014  
New Mexico23 114311336 
New York78253621344917191953
Newfoundland/Labrador   14423922 93 5
North Carolina8111538112461710433
North Dakota    1       
Northwest Territories    1       
Nova Scotia    1117 1   
Ohio3  123  133  
Oklahoma32532 3 4 42
Ontario 321215171855752
Oregon177712122323865510
Pennsylvania 716101771777615
Prince Edward Island      5     
Quebec 138115355151 
Rhode Island  5920637382406 4
Saskatchewan   1 11 2   
South Carolina4212111513 112 
JanFebMarAprMayJunJulAugSepOctNovDec
South Dakota      1 1   
Tennessee21741145101 1 
Texas2711271618401818123286
Utah 2 4516 33  
Vermont 1 21 2 421 
Virginia7113411101025453
Washington311152120131524141122
West Virginia3227  12331 
Wisconsin2 246465 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.
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