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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Mayflies (Ephemeroptera) » Furcatergalia » Pannota » Caenoidea » Small Squaregilled Mayflies (Caenidae) » Caenis

Genus Caenis


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 Caenis
Credits: Generated with MapServer. BugGuide integration kindly provided by Mike Boone.

Hover over black occurrence boxes to see number of images submitted. Log in to make states, months and boxes clickable.
JanFebMarAprMayJunJulAugSepOctNovDec
Alaska     1      
Arizona   2   33   
British Columbia    2   2   
California  51 7  1   
Colorado    11      
Delaware    4       
Florida3312 3   112
Illinois    21 4    
Indiana      2     
Iowa       2    
Kansas    2       
Kentucky    3       
Maine       12   
Manitoba     1      
Maryland    51143   
Massachusetts   11  5    
Michigan     1      
Minnesota    11 32   
Missouri    12      
Montana       1    
Nebraska      1     
Nevada2           
New Brunswick     1      
New Hampshire 2   11     
New Jersey     4      
JanFebMarAprMayJunJulAugSepOctNovDec
New York    2121    
North Carolina     1  2   
Ohio      1     
Oklahoma         3  
Ontario     11115  
Oregon     4      
Pennsylvania    6 1     
Quebec    31023 1  
Rhode Island     3 4    
Tennessee   2  4 1   
Texas     1  2   
Washington      2     
Wisconsin    3 1 1   

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.

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