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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 36753252
Alaska      4     
Alberta  62 112   7
Arizona  69231322 31
Arkansas   21 2  1 2
British Columbia  6 53647   
California131819266318372019523216
Colorado  11484398  
Connecticut  2  315 23 
Delaware 1231311 621
District of Columbia  123       
Florida109236118746134
Georgia  512564  11
Idaho   17 1351  
Illinois 4813251614917915 
Indiana 16 2412361 
Iowa1 4128555541 
Kansas    15 223  
Kentucky  2337171 2 
Louisiana1 2 7 432 23
Maine  6 62663 4 
Manitoba    1141  2 
Maryland 21810192612981156
Massachusetts1415473858331840321610
Michigan    2146224 
JanFebMarAprMayJunJulAugSepOctNovDec
Minnesota    1337414  
Mississippi  1741    1 
Missouri 41 116657 2 
Montana     31 1   
Nebraska  21423 21 2 
Nevada 11 23 1  1 
New Brunswick  4741219 8  
New Hampshire2 1514310311 
New Jersey210 697428895
New Mexico  2451 2  11
New York2281025102013131577
Newfoundland/Labrador  16112161063  
North Carolina1 45521 433 
North Dakota   7493  10  
Nova Scotia    2 3  3  
Ohio  31779431  
Oklahoma3374146248921
Ontario 3491933302020133 
Oregon24 1079127516  
Pennsylvania 6534322320261118178
Quebec   126451248  
Rhode Island  4117910111  
Saskatchewan    9 2 1   
South Carolina   21  131 1
South Dakota    11    1 
Tennessee  1223 313  
JanFebMarAprMayJunJulAugSepOctNovDec
Texas6911149511512161127
Utah1  2  2  2  
Vermont   711232512
Virginia2 111311156841123
Washington3149111711167717413
West Virginia  12212 22  
Wisconsin   71012915712  
Wyoming  1  1      
Yukon Territory     1