Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada

Family Elmidae - Riffle Beetles


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 Riffle Beetles

Hover over black occurrence boxes to see number of images submitted. Log in to make states, months and boxes clickable.
JanFebMarAprMayJunJulAugSepOctNovDec
Alabama     214    
Arizona     3 3    
Arkansas      4     
British Columbia6    22 1   
California   1 7 162   
Colorado  42        
Florida 1    2     
Georgia        1   
Idaho       4    
Illinois      81    
Indiana  2   931   
Iowa      93    
Kansas     112  1 
Kentucky     1      
Louisiana       1    
Maine    2  3    
Maryland     5143    
Massachusetts 2  3533321   
Minnesota        1   
Mississippi     4      
Missouri     4 1    
Nevada    3    4  
New Brunswick       2    
New Hampshire    111344   
New Jersey     646    
JanFebMarAprMayJunJulAugSepOctNovDec
New Mexico      1     
New York     11721   
North Carolina   5 14     
North Dakota     51     
Nova Scotia       1    
Ohio      1     
Oklahoma       1    
Ontario1  1 1321   
Oregon     17   2  
Pennsylvania     1192    
Quebec      271   
South Carolina       2    
Tennessee      421   
Texas    11115312 2 
Vermont            
Virginia     4613    
Washington     6262    
West Virginia     21 2   
Wisconsin   8 3541