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Family Nemouridae - Spring 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 Spring Stoneflies

Hover over black occurrence boxes to see number of images submitted. Log in to make states, months and boxes clickable.
JanFebMarAprMayJunJulAugSepOctNovDec
Alaska   32       
Alberta   2        
Arizona      2     
British Columbia5 52  2   1 
California14913722  45 
Colorado  122 11     
Connecticut   1        
Georgia  1         
Illinois     1      
Indiana  91        
Kentucky   1        
Maine   21  1    
Maryland   2 1      
Massachusetts 9825226      
Montana  1         
New Brunswick   35       
New Hampshire 1411211325    
New Jersey      1     
New Mexico      3     
New York   56       
Ontario   2        
Oregon5 1132   3  1
Pennsylvania   531      
Quebec     1      
Utah  3      1  
JanFebMarAprMayJunJulAugSepOctNovDec
Vermont  3136      
Virginia 6118       2
Washington2712192 42    
West Virginia    2