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Previous events


Family Perlodidae - Perlodid Stoneflies

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 Perlodid Stoneflies

Hover over black occurrence boxes to see number of images submitted. Log in to make states, months and boxes clickable.
Alberta  266       
Arkansas   11       
British Columbia    2       
California366154 2   2 
Colorado  6   11    
Illinois   11       
Indiana  3         
Iowa     1      
Maine     2      
Massachusetts   976      
Michigan    211     
Montana  36   7    
New Brunswick     31     
New Hampshire  6165312    
New York   231      
Newfoundland/Labrador      4     
North Carolina   5        
North Dakota     1      
Ohio   11       
Ontario       1    
Oregon 424  22    
Pennsylvania   131      
Tennessee    3       
Vermont  3654      
Virginia192842627321  611018
Washington  21  7  3  
West Virginia 1 2        
Wisconsin    13      
Wyoming       4