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Subfamily Dytiscinae


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 Dytiscinae

Hover over black occurrence boxes to see number of images submitted. Log in to make states, months and boxes clickable.
JanFebMarAprMayJunJulAugSepOctNovDec
Alabama  2322442   
Alaska   125 28   
Alberta   1321229108   
Arizona  5111220191764 
Arkansas   21   2   
British Columbia1 282626    
California2 76762911 1 1
Colorado      5 2   
Connecticut  23   2    
Delaware      14    
Florida1 42813612  1
Georgia2  3 1     2
Idaho       6    
Illinois  41 241    
Indiana   1  4  4  
Iowa   3  21    
Kansas     4432   
Kentucky  2 2 1 2   
Louisiana2  33 3 3   
Maine  274663  2 
Manitoba     3 41   
Maryland  464111 11  
Massachusetts 417411352574  
Michigan 31 2 3 1   
Minnesota    8161    
JanFebMarAprMayJunJulAugSepOctNovDec
Missouri  51      1 
Montana   52 1 2   
Nebraska   1  3  2  
New Brunswick    233337  
New Hampshire 2 75134  4  
New Jersey  13247 12  
New Mexico     2612   
New York    3843 52 
Newfoundland/Labrador        3   
North Carolina 128  3     
North Dakota     5 1    
Northwest Territories   1   7    
Nova Scotia    13 1 3  
Ohio     1 2    
Oklahoma    2  44   
Ontario  216 316 3 5 
Oregon   51 7124   
Pennsylvania   3 132    
Quebec   22415     
Rhode Island       2    
Saskatchewan   22 7323  
South Carolina 1 2        
Tennessee  5 24  222 
Texas1 4889515141 
Utah   14  3    
Vermont   11 665   
JanFebMarAprMayJunJulAugSepOctNovDec
Virginia   411  2   
Washington4 29912964 3 
West Virginia  11  1     
Wisconsin   3313522  
Wyoming    1