Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada

Genus Sialis


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 Sialis

Hover over black occurrence boxes to see number of images submitted. Log in to make states, months and boxes clickable.
JanFebMarAprMayJunJulAugSepOctNovDec
Arkansas   2        
British Columbia     2      
California  15 53     
Connecticut    3       
Florida           1
Georgia  1 4       
Illinois   1        
Indiana  2 7       
Iowa 1   3      
Kansas  3         
Kentucky    6       
Maine    53  22  
Manitoba     2      
Maryland   310       
Massachusetts  4 1032     
Michigan    3       
Minnesota     3      
Mississippi           1
Missouri   2        
Montana     1      
New Brunswick    11      
New Hampshire   422      
New Jersey    1       
New Mexico   1        
New York   2112      
JanFebMarAprMayJunJulAugSepOctNovDec
North Carolina   1        
North Dakota    1       
Nova Scotia     3      
Ohio    2       
Ontario1   1072  1  
Oregon   42      1
Pennsylvania   488      
Quebec    24  1   
Saskatchewan     4      
South Carolina   1        
Tennessee   13       
Texas   1        
Utah    32      
Vermont     1      
Virginia   7        
Washington  18933     
West Virginia    1       
Wisconsin    15