Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Clickable Guide
Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes

Calendar
Upcoming Events

Photos of insects and people from the 2022 BugGuide gathering in New Mexico, July 20-24

National Moth Week was July 23-31, 2022! See moth submissions.

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

Photos of insects and people from the 2019 gathering in Louisiana, July 25-27

Photos of 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


Previous events


TaxonomyBrowseInfoImagesLinksBooks
Data

Species Latrodectus variolus - Northern 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 Northern Black Widow

Hover over black occurrence boxes to see number of images submitted. Log in to make states, months and boxes clickable.
JanFebMarAprMayJunJulAugSepOctNovDec
Alabama       1 1  
Arkansas   231      
Delaware         2  
Florida    7     1 
Georgia  181231 22  
Illinois     11     
Indiana    56   2  
Kansas     24     
Kentucky    38  53  
Louisiana  5 1       
Maryland  218962813 
Massachusetts1  9  1124  
Michigan   2222221  
Minnesota     21     
Mississippi  6         
Missouri  3 94  611 
New Jersey    351223  
New York        2   
North Carolina   351102    
Ohio       1    
Oklahoma 5 110 21    
Ontario   174242   
Pennsylvania       1    
Rhode Island    11  1   
South Carolina     43   1 
JanFebMarAprMayJunJulAugSepOctNovDec
Tennessee   110251    
Texas   101 11    
Vermont        11  
Virginia  5 11 85 3  
West Virginia        12  
Wisconsin     13 3