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Upcoming Events

2018 BugGuide Gathering in Virginia July 27-29: Registration and Discussion

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Photos of insects and people from the 2014 gathering in Virginia, June 4-7.

Photos of insects and people from the 2013 gathering in Arizona, July 25-28

Photos of insects and people from the 2012 gathering in Alabama

Photos of insects and people from the 2011 gathering in Iowa

Photos from the 2010 Workshop in Grinnell, Iowa

Photos from the 2009 gathering in Washington

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Data

Genus Pterostichus


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 Pterostichus

Hover over black occurrence boxes to see number of images submitted. Log in to make states, months and boxes clickable.
JanFebMarAprMayJunJulAugSepOctNovDec
Alabama     2      
Alaska    61112 42  
Alberta  1218422   
Arizona      42    
Arkansas      1 41  
British Columbia 155788136   
California77171789 7 68
Colorado    555 1   
Florida           2
Georgia          8 
Idaho         2  
Illinois  11  1212  
Indiana   627441   
Iowa   3        
Kansas  1         
Kentucky    111 2 1 
Louisiana     3      
Maine   445  1 2 
Maryland   332   53 
Massachusetts112715413581572
Michigan        5   
Missouri    223 2   
Montana     4      
Nebraska   2    2   
New Brunswick    223113   
JanFebMarAprMayJunJulAugSepOctNovDec
New Hampshire   819512123  
New Mexico     11     
New York  554 342251
Newfoundland/Labrador    447     
North Carolina2 1 11 277  
North Dakota    1 3     
Nova Scotia       21   
Nunavut     104     
Ohio            
Oklahoma    1    1  
Ontario   11       
Oregon2 861    2  
Pennsylvania 12391 4934 
Quebec  212 4 4 1 
Rhode Island    51 11   
Saskatchewan    7 3443  
South Carolina   26    811 
Tennessee  2   15  2  
Texas 3146       
Vermont   63 1211  
Virginia  3210575234 
Washington   814510455 2
West Virginia   3 2 23 12
Wisconsin  5   10 1 4 
Yukon Territory     13