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Photos of insects and people from the 2019 BugGuide Gathering in Louisiana, July 25-27

Discussion, insects and people from the 2018 gathering in Virginia, July 27-29

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

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Genus Osmia - Mason Bees


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 Mason Bees

Hover over black occurrence boxes to see number of images submitted. Log in to make states, months and boxes clickable.
JanFebMarAprMayJunJulAugSepOctNovDec
Alabama  413       
Alaska    3       
Alberta   11       
Arizona872347 2      
Arkansas  36        
British Columbia  38201910     
California111477612370285    
Colorado   1523103875   
Connecticut  232       
Delaware  4151       
Florida 42792       
Georgia  1123       
Idaho   341411     
Illinois  319113      
Indiana   624      
Iowa  2231494     
Kansas  5151       
Kentucky 35103  1    
Louisiana  14 1       
Maine   101036     
Maryland  10492217 2    
Massachusetts  1281343     
Michigan   10181     
Minnesota   481 5    
Mississippi   4 2      
JanFebMarAprMayJunJulAugSepOctNovDec
Missouri  8 1       
Montana   231321    
Nebraska   2        
Nevada  33 257     
New Brunswick 3  411     
New Hampshire   573      
New Jersey  42615 1     
New Mexico  213  5     
New York  74113378   3 
North Carolina  21223      
North Dakota    2       
Northwest Territories    1       
Ohio  2348       
Oklahoma  21116       
Ontario   123174     
Oregon139263815163    
Pennsylvania  553296      
Quebec     1      
Saskatchewan    5       
South Carolina  11        
South Dakota     1      
Tennessee   15        
Texas22765141441 3   
Utah  9181711162    
Vermont    1       
Virginia 4182956 23   
JanFebMarAprMayJunJulAugSepOctNovDec
Washington 244613177292    
West Virginia   144       
Wisconsin   44 3     
Wyoming     66     
Yukon Territory     2