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Interested in a 2022 BugGuide gathering in New Mexico?

Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2

National Moth Week 2020 photos of insects and people.

Photos of insects and people from the 2019 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.

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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 2  
Arizona239810281826222098
British Columbia  12 2141   2
California10839623324743437 
Colorado    54541481 
Idaho        3   
Kansas  2    2    
Montana         1  
Nebraska     1 2 2  
Nevada  3 1228 312 1
New Mexico 11111109810101 
Oklahoma   11 422   
Oregon 162314 662 
South Dakota       2    
Texas3 2 42813954 
Utah   2  26161  
Washington 12   19123  
Wyoming    2