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

TaxonomyBrowseInfoImagesLinksBooks
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  
Arizona3313810332426222098
British Columbia  12 21412  2
California109310624374849457 
Colorado    74571581 
Idaho        3   
Kansas  2    2    
Missouri       1    
Montana         1  
Nebraska     1 5 2  
Nevada  3 1228 31211
New Mexico 111121111810101 
Oklahoma   11 482   
Ontario           1
Oregon 462314 662 
South Dakota       2    
Texas3 2 529139545
Utah   2  27161  
Washington 123  19123  
Wyoming    2