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Information about the 2019 BugGuide Gathering in Louisiana, July 25-27

Discussion, insects and people from the 2018 gathering in Virginia, July 27-29

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


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Data

Species Latrodectus hesperus - Western Black Widow


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 Western Black Widow

Hover over black occurrence boxes to see number of images submitted. Log in to make states, months and boxes clickable.
JanFebMarAprMayJunJulAugSepOctNovDec
Alberta     4 1 1  
Arizona12988271115102078
British Columbia   2 2141   2
California10839620294641406 
Colorado    44521371 
Idaho        1   
Kansas  2    2    
Montana         1  
Nebraska     1      
Nevada  3 1228 212  
New Mexico 11111947891 
Oklahoma   11 4 2   
Oregon 122314 662 
South Dakota       2    
Texas3 2 42812953 
Utah   2   6161  
Washington 12    6123  
Wyoming    2