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Family Calliphoridae - Blow 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 Blow Flies

Hover over black occurrence boxes to see number of images submitted. Log in to make states, months and boxes clickable.
JanFebMarAprMayJunJulAugSepOctNovDec
Alabama4 5 910181410452
Alaska  356 4196   
Alberta   22512    
Arizona2511373835912212273836
Arkansas 1 21 51 212
British Columbia  431431534  2
California161720537138362926744313
Colorado2 3151966681 
Connecticut  11 325 26 
Delaware  231311 6  
District of Columbia  122       
Florida101333819171286156
Georgia 1911973111 
Idaho 142121341  
Illinois 34162316131317971
Indiana  6 941214  
Iowa  11292491891065 
Kansas  3 157337  
Kentucky  2338371   
Louisiana22217 533973
Maine    6147214 
Manitoba    1142    
Maryland 4172119281022231784
Massachusetts 264546583949492456
Michigan  31229631  
JanFebMarAprMayJunJulAugSepOctNovDec
Minnesota    2296710  
Mississippi  11031    1 
Missouri 41 6724825 
Montana    51  3   
Nebraska  6254412104105
Nevada 13 23 1  11
New Brunswick  2145223 4  
New Hampshire  1311262 2 
New Jersey2626108121114113
New Mexico72595211  21
New York236163521147111157
Newfoundland/Labrador   11121576   
North Carolina2 76822411610 
North Dakota   1493  1  
Nova Scotia    112  3  
Ohio  1 498731  
Oklahoma32551332511911
Ontario   92036372125123 
Oregon11448141414101311191
Pennsylvania 113121169291014257
Quebec   7813101386  
Rhode Island  4118102111  
Saskatchewan    10 23    
South Carolina  241  131 2
South Dakota    11 2    
Tennessee   271 3266 
JanFebMarAprMayJunJulAugSepOctNovDec
Texas151131221114171018364739
Utah   216265 2  
Vermont   21 5513  
Virginia2 15196165551321
Washington1851822813101013313
West Virginia   21111 22  
Wisconsin   32011126711  
Wyoming  1  1      
Yukon Territory     1