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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.
JanFebMarAprMayJunJulAugSepOctNovDec
Alberta  266       
Arkansas   11       
British Columbia    2       
California37615432   2 
Colorado  64 611    
Illinois   11       
Indiana  3         
Iowa     1      
Kentucky    3       
Maine     2      
Massachusetts   976      
Michigan    211     
Montana  36   7    
New Brunswick     31     
New Hampshire  6165312    
New York   231      
Newfoundland/Labrador      4     
North Carolina   10        
North Dakota     1      
Ohio   11       
Ontario       1    
Oregon 42431225   
Pennsylvania   131      
Tennessee    3       
Vermont  3654      
JanFebMarAprMayJunJulAugSepOctNovDec
Virginia192842627321  611018
Washington  21  10  3  
West Virginia 1 2 1      
Wisconsin    13      
Wyoming       4