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Family Simuliidae - Black Flies


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 Black Flies

Hover over black occurrence boxes to see number of images submitted. Log in to make states, months and boxes clickable.
JanFebMarAprMayJunJulAugSepOctNovDec
Alabama   2        
Alaska     531    
Alberta    1 1     
Arizona45325165   3 4
British Columbia1  25 33    
California 161212134 13443
Colorado1  42 35 3  
Connecticut   1        
Florida1           
Georgia 1 1       4
Idaho      1     
Illinois  51312  1  
Indiana 12 13 4    
Iowa   101273 2   
Kansas   1 1      
Louisiana 3 21       
Maine   44 856   
Maryland 117 261   8
Massachusetts 110271911353135 
Minnesota    3 1 72  
Mississippi         1  
Missouri    1       
Montana      61121 
Nebraska 1          
Nevada     3     4
JanFebMarAprMayJunJulAugSepOctNovDec
New Brunswick    36 4    
New Hampshire  3145 1    
New Jersey  110   32   
New Mexico  15       1 
New York  161321 121 
Newfoundland/Labrador     2863    
North Carolina    1       
Oklahoma52 9        
Ontario 3  125  1 4 
Oregon    23313 3  
Pennsylvania   3512635922
Quebec   11172207   
Rhode Island    2 2     
Saskatchewan       2    
South Carolina 1 1        
Tennessee4 26       2
Texas31 1711  21 1
Utah      21    
Vermont         1  
Virginia  1433     3
Washington   342 3    
Wisconsin    83  36 1
Wyoming       1    
Yukon Territory       3