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Spring 2021 gathering in Louisiana, April 28-May 2. Here's how to add your images.

National Moth Week 2020 photos of insects and people.

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

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Data

Family Muscidae - House Flies and kin


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 House Flies and kin

Hover over black occurrence boxes to see number of images submitted. Log in to make states, months and boxes clickable.
JanFebMarAprMayJunJulAugSepOctNovDec
Alabama  498  446113
Alaska    29205    
Alberta   1  1151  4
Arizona332162524257125595
Arkansas1211122 11  
British Columbia  85722981071 
California334831516068682836374425
Colorado  35662019617  
Connecticut    1  1315 
Delaware      1 12 3
Florida1034616810  3 1833
Georgia 24651 113912
Idaho   1  2 23  
Illinois  184211164336141 
Indiana  2 29 2 92 
Iowa  1632942154139  
Kansas   106 1  3  
Kentucky  421031 2   
Louisiana 866  3   13
Maine   1 32124244 
Manitoba    1 2173  
Maryland14923422234213920347
Massachusetts 101824439447666825612
Michigan   4924441  
Minnesota   1251063032 
JanFebMarAprMayJunJulAugSepOctNovDec
Mississippi      1    2
Missouri   44102212  
Montana  1  182    
Nebraska   92  2222 
Nevada  32  1    2
New Brunswick  2117236913 1
New Hampshire   431091986  
New Jersey  33168851720167
New Mexico  381 2 19 2 
New York 131814222321242031
Newfoundland/Labrador   31094993  
North Carolina117117618288 
North Dakota      2  2  
Nova Scotia   2 11314  
Nunavut      1     
Ohio   21167262  
Oklahoma531711121617920186
Ontario22261138373631115 
Oregon 6121381488234  
Pennsylvania23724463241885091184
Prince Edward Island       1    
Quebec   2914244122121 
Rhode Island   2833475   
Saskatchewan      632   
South Carolina  2   3 29 2
South Dakota   33   3   
JanFebMarAprMayJunJulAugSepOctNovDec
Tennessee3 1168447434 
Texas11182314321216136191934
Utah    31982332
Vermont  216 773   
Virginia 51012133813161862
Washington 71824322911151598 
West Virginia3  411314 2 
Wisconsin   516920231714 2
Wyoming   1 14 2   
Yukon Territory     25