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Order Polydesmida - Flat-backed Millipedes


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 Flat-backed Millipedes

Hover over black occurrence boxes to see number of images submitted. Log in to make states, months and boxes clickable.
JanFebMarAprMayJunJulAugSepOctNovDec
Alabama542213187459165
Alaska     1      
Alberta  3 1  1    
Arizona 101 1    15 
Arkansas1 656485141 
British Columbia  5 57 2 5  
California151141222732111231518
Connecticut  1723613   
District of Columbia    1       
Florida214652712564512
Georgia 9111214916742113
Idaho  3   21    
Illinois  711367461031
Indiana  2 4711 2  
Iowa  110410114112 
Kansas  6  34     
Kentucky  717317  5  
Louisiana5 22414132  
Maine  52    1311
Manitoba         1  
Maryland6 1715152017182744
Massachusetts212131791124514
Michigan  1318144 1 
Minnesota  2211111   
Mississippi   1113     
JanFebMarAprMayJunJulAugSepOctNovDec
Missouri 31364 216243
Montana  2  1      
Nebraska    11 33   
New Brunswick     3 4 2  
New Hampshire   62  2121 
New Jersey 125194  122
New Mexico       1    
New York1 6121320261516614
Newfoundland/Labrador   4553  5  
North Carolina281721402823137464
Nova Scotia       1    
Ohio   10126201 15  
Oklahoma1 2352 11512
Ontario  12151076922 
Oregon 4692274 41284
Pennsylvania 137151874261 
Quebec    213 41  
Rhode Island   36       
Saskatchewan1           
South Carolina312619467312
Tennessee6219347242119217 
Texas271028610143367198
Vermont   91 6 7 1 
Virginia4714204521446810104
Washington 4281211114365 
West Virginia   62511    
JanFebMarAprMayJunJulAugSepOctNovDec
Wisconsin  434137213