Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada

Class Malacostraca - Malacostracans


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 Malacostracans

Hover over black occurrence boxes to see number of images submitted. Log in to make states, months and boxes clickable.
JanFebMarAprMayJunJulAugSepOctNovDec
Alabama 25224445146 
Alaska 2  4171892   
Alberta2   33 2    
Arizona1431251014   4
Arkansas116 111 172 
British Columbia  39139131134134
California4017343334583224223243108
Colorado  1646 7 3  
Connecticut  2117416 14  
Delaware  4107165    
District of Columbia          12
Florida23202731263837621181969
Georgia443368123 4  
Idaho    1       
Illinois45282418151051492 
Indiana19458 12 13 
Iowa 2322 122  1
Kansas    341  2  
Kentucky 2132  6  42
Louisiana  335 7  3  
Maine  10109243027241563
Manitoba      14 1  
Maryland9133617211726912191214
Massachusetts66414927293323241693
Michigan4 2106106 571 
JanFebMarAprMayJunJulAugSepOctNovDec
Minnesota  74213 12   
Mississippi    132  16 
Missouri114 22 122  
Montana  1 41 1    
Nebraska   4 1 5  6 
Nevada325 111 2  2
New Brunswick   23 1  214
New Hampshire 2363157126 8 
New Jersey  4171210771010  
New Mexico 1 114  3 4 
New York57242821183817161853
Newfoundland/Labrador   14201611    5
North Carolina8713241021494421
North Dakota    1       
Northwest Territories    1       
Nova Scotia    1 11 1   
Ohio   123  133  
Oklahoma32532 3 4 12
Ontario 3281514755752
Oregon1057612161964518
Pennsylvania 515516615773 3
Prince Edward Island      5     
Quebec  38115353141 
Rhode Island   918635436323 4
Saskatchewan   1 1      
South Carolina41 1 11513 112 
JanFebMarAprMayJunJulAugSepOctNovDec
South Dakota      1 1   
Tennessee217464510  1 
Texas25824151331181583176
Utah 2  51  12  
Vermont 1 2  2 421 
Virginia11172118722452
Washington310152120121424141022
West Virginia3217   2331 
Wisconsin2 246453 13 
Wyoming   1        
Yukon Territory