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Species Hydrophilus triangularis - Giant Black Water Beetle


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 Giant Black Water Beetle

Hover over black occurrence boxes to see number of images submitted. Log in to make states, months and boxes clickable.
JanFebMarAprMayJunJulAugSepOctNovDec
Alabama    3       
Arizona  6 4 5 6  5
Arkansas         3  
California   3   5 3  
Colorado         1  
Illinois       3 1  
Indiana     2 2 1  
Iowa    6 1  2  
Louisiana    111     
Maryland      3     
Missouri     22 42  
Montana        2   
Nebraska      1  1  
Nevada     12     
New Jersey      2     
New Mexico      2     
New York       2    
North Carolina          3 
North Dakota       5    
Ohio        2   
Ontario      3     
Oregon    3       
Pennsylvania       3    
South Dakota     2      
Tennessee   31  3 2  
JanFebMarAprMayJunJulAugSepOctNovDec
Texas 2  38  42  
Utah       33   
Washington       4    
Wisconsin     1