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Information, 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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Data

Order Ephemeroptera - Mayflies


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 Mayflies

Hover over black occurrence boxes to see number of images submitted. Log in to make states, months and boxes clickable.
JanFebMarAprMayJunJulAugSepOctNovDec
Alabama  784116712 2
Alaska    1105     
Alberta   1318139106   
Arizona  1013814895936
Arkansas  1313521683  
British Columbia4  11149144131 3
California326417794597333291826 
Colorado 224637162052  
Connecticut   212359   
Delaware   24112     
District of Columbia    2       
Florida1655967948747
Georgia 511111359772  
Idaho    11325   
Illinois  172026162715 2 
Indiana 9976911 12  
Iowa 2 1143050238   
Kansas    241362   
Kentucky  1419842    
Louisiana 1 452614   
Maine 22517181012313  
Manitoba1   15352   
Maryland2 6286072582617111 
Massachusetts 1697211691694521   
Michigan   3610279 2  
JanFebMarAprMayJunJulAugSepOctNovDec
Minnesota    72520103   
Mississippi    3    1  
Missouri  17717171075  
Montana 5641172370  3 
Nebraska 7 2 191381  
Nevada731233      
New Brunswick    44272112 
New Hampshire 2115557235013133  
New Jersey  154311413843  
New Mexico  321392 43 
New York  22549644321163  
Newfoundland/Labrador    91325    
North Carolina  205015141093432
North Dakota    16196 1  
Northwest Territories     31     
Nova Scotia     14     
Ohio  12111416 5   
Oklahoma   42211521231 
Ontario10422265160431994 
Oregon161013343517311810 3
Pennsylvania  31462617332113  
Quebec    4915814593688  
Rhode Island   2119283   
Saskatchewan    9111917  2 
South Carolina 16132611231  
South Dakota   2   1    
JanFebMarAprMayJunJulAugSepOctNovDec
Tennessee 21734303568291485 
Texas321521361971526198 
Utah   1 1372   
Vermont  710232012335  
Virginia17359410514315410645102221017
Washington  1291818313565  
West Virginia   44106512  
Wisconsin   2164537101   
Wyoming     241    
Yukon Territory    11