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Data

Infraorder Bibionomorpha - Gnats, Gall Midges, and March Flies


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 Gnats, Gall Midges, and March Flies

Hover over black occurrence boxes to see number of images submitted. Log in to make states, months and boxes clickable.
JanFebMarAprMayJunJulAugSepOctNovDec
Alabama1216242841101729171826
Alaska194 1614193391  
Alberta11  364411  3
Arizona60156256311132283532315
Arkansas  39172715981
British Columbia622162037535251513625
California8010125734717775944645436349
Colorado2 49402487102 1
Connecticut5 11132916201620103 
Delaware  411911263  
District of Columbia    2 12    
Florida4649403926196301582048
Georgia874835472318222915814
Idaho2 816344  3 
Illinois21202160272238361973
Indiana 247651164101 
Iowa1629371091642102433742171562650
Kansas  21527178141611  
Kentucky 481513712188 
Louisiana2351184122211151812
Maine2 3726142739201462
Manitoba   838 2611 
Maryland 18211049888456367802718
Massachusetts141442124247124801251751064522
Michigan2 91516714137146 
JanFebMarAprMayJunJulAugSepOctNovDec
Minnesota 32323144223345  
Mississippi1  1537 72  
Missouri 13212120632111 
Montana  1 198114 1  
Nebraska3166109271361 1
Nevada 16 1015   3  
New Brunswick 1 73835322323112 
New Hampshire 74363425322717276 
New Jersey211040891826354437191
New Mexico1713512119165244168
New York  1532113556039553110 
Newfoundland/Labrador   66331916114  
North Carolina10721831104740427130299
North Dakota   164263   
Nova Scotia   2 6  25  
Nunavut      2     
Ohio3 31871321615146 
Oklahoma23641263412301916173
Ontario103161764392536364556
Oregon15193136251016163121267
Pennsylvania 51882137721027168105157
Prince Edward Island       3    
Quebec  756636415560353 
Rhode Island   825862461  
Saskatchewan21 713 101514 
South Carolina 791221 7221138
JanFebMarAprMayJunJulAugSepOctNovDec
South Dakota            
Tennessee5121740421825112111137
Texas111451524850221563422315
Utah131715195 542  
Vermont   21338116194 
Virginia102173350211025281342 
Washington14192757381511261648105
West Virginia 5 523633421
Wisconsin17 910949811110255415 
Wyoming    22      
Yukon Territory     5