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

Genus Gerris


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 Gerris

Hover over black occurrence boxes to see number of images submitted. Log in to make states, months and boxes clickable.
JanFebMarAprMayJunJulAugSepOctNovDec
Alaska        2   
Arizona         111
British Columbia   23       
California   41       
Colorado      2     
Connecticut    2       
Georgia  2 2       
Illinois  11133 1   
Indiana     24     
Iowa      1     
Kentucky      6 2   
Maine   41       
Maryland  3  12     
Massachusetts  153610     
Michigan       1    
Minnesota      2     
Missouri      1     
Montana     41     
New Brunswick   121      
New Hampshire  31 12     
New Jersey  1  1      
New Mexico         1  
New York   14158     
Newfoundland/Labrador      2     
North Carolina 12   1     
JanFebMarAprMayJunJulAugSepOctNovDec
Ohio    1       
Oklahoma   2 1      
Ontario   121221    
Oregon        12  
Pennsylvania   5 1  3   
Quebec   1133 2   
South Carolina       1    
Texas     3      
Vermont      1     
Virginia  42        
Washington    2       
Wisconsin     2 3