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Order Plecoptera - 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 Stoneflies

Hover over black occurrence boxes to see number of images submitted. Log in to make states, months and boxes clickable.
JanFebMarAprMayJunJulAugSepOctNovDec
Alabama 14 644    1
Alaska 123711412   
Alberta  8153194 2   
Arizona21696 741   1
Arkansas1  251  1 1 
British Columbia938412612 5 64
California18444371363710551097
Colorado 162111 19572   
Connecticut3292  9     
Delaware     2      
District of Columbia     2      
Florida    41      
Georgia7524741     
Idaho    4171    
Illinois  314212     
Indiana3514438     2
Iowa419131342382 3  
Kansas  311542    
Kentucky2283136 1 4 1
Louisiana 425711     
Maine14621411151022  
Manitoba    126     
Maryland52412712284022213321
Massachusetts21411321106655371312 11
Michigan 11429341   2
JanFebMarAprMayJunJulAugSepOctNovDec
Minnesota  7 32053    
Mississippi  1   3     
Missouri  8413122 2   
Montana 112141297152 4 
Nebraska  42 77     
Nevada       2    
New Brunswick  231015322242 2 
New Hampshire 146171385627152211
New Jersey35893178     
New Mexico 19 12111     
New York3122225322619104 21
Newfoundland/Labrador    2 4     
North Carolina7762821411076116
North Dakota  2  22     
Northwest Territories       2    
Nova Scotia  11 2      
Ohio36444362    
Oklahoma    371     
Ontario2133013625181 62 
Oregon1825333838351678561
Pennsylvania8145026255139111 3 
Quebec  2 1016114    
Rhode Island   1        
Saskatchewan   5 2      
South Carolina1221413 3   2
Tennessee 251721141713   1
JanFebMarAprMayJunJulAugSepOctNovDec
Texas  3182   1 1
Utah 29  21  11 
Vermont 21338545253    
Virginia5774100104139115132459307971
Washington81138792022218442 
West Virginia252411108     
Wisconsin  134141217     
Wyoming  8  4684   
Yukon Territory   2 223