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Home » Guide » Arthropods (Arthropoda) » Insects (Insecta) » Mayflies (Ephemeroptera)

Order Ephemeroptera - Mayflies


The following data 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
Credits: Generated with MapServer. BugGuide integration kindly provided by Mike Boone.

JanFebMarAprMayJunJulAugSepOctNovDec
Alabama  21   111  
Alaska     2      
Alberta   1354222   
Arizona   2  31    
Arkansas  6  2 3    
British Columbia    4       
California1213271414   
Colorado  14   383   
Connecticut   1  1     
Delaware    4112     
Florida1 2 31    21
Georgia 12 8143    
Illinois  1732241   
Indiana     2      
Iowa     123    
Kansas     1211   
Kentucky    121     
Louisiana   2 2      
Maine     1121   
Maryland    2 1     
Massachusetts 167475640251210   
Michigan    4271    
Minnesota    2511    
Mississippi         1  
Missouri   1  2232  
Montana    1269    
Nebraska       24   
New Brunswick     31     
New Hampshire 210323572247   
New Jersey    712 21  
New Mexico     1 2 4  
New York   9236421  
Newfoundland/Labrador    221     
North Carolina  221241    
Ohio    212     
Oklahoma     8108 3  
Ontario102  59611   
Oregon 2 1 3 11   
Pennsylvania   28121410 1  
Quebec    12 211  
Rhode Island    11  2   
Saskatchewan     4 3  2 
South Carolina 1          
Tennessee   3 6931   
Texas  67133249  
Utah   1 1122   
Vermont  71014511 3  
Virginia   11       
Washington   53510111  
West Virginia     2      
Wisconsin    37221   
Wyoming      2     

Disclaimer: Dedicated naturalists volunteer their time and resources here to provide this service. We strive to provide accurate information, but we are mostly just amateurs attempting to make sense of a diverse natural world. If you need expert professional advice, contact your local extension office.

Contributors own the copyright to and are solely responsible for contributed content.
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