Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
 

Register · Log In
HomeGuideID RequestRecentFrassForumsDonateHelp
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
BugGuide Gathering
Pack Forest
Washington State
July 10-12, 2009
Details...

Photos from the 2009 gathering
 
Photos from the 2008 gathering in Tennessee
 
Photos from the 2007 gathering in Minnesota

TaxonomyBrowseInfoImagesLinksBooks
Data
Home » Guide » Arthropods (Arthropoda) » Arachnids (Arachnida) » Spiders (Araneae) » True Spiders (Araneomorphae) » Entelegynes » Cobweb Spiders (Theridiidae) » Widow Spiders (Latrodectus) » Northern Black Widow (Latrodectus variolus)

Species Latrodectus variolus - Northern Black Widow


The following data 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
Credits: Generated with MapServer. BugGuide integration kindly provided by Mike Boone.

JanFebMarAprMayJunJulAugSepOctNovDec
Arkansas    31      
Florida    5       
Georgia    1231     
Indiana     1      
Kansas      2     
Massachusetts   8   1    
Mississippi  6         
Missouri    4       
North Carolina   1   1    
Oklahoma 5  4       
Ontario     21     
Rhode Island    1   1   
South Carolina     41     
Tennessee    11      
Texas    1       
Virginia    1    3  
Wisconsin     1  2   

Disclaimer: Dedicated naturalists volunteer their time and resources here to provide this service. We strive to provide accurate information, but we are mostly just amateurs attempting to make sense of a diverse natural world. If you need expert professional advice, contact your local extension office.

Contributors own the copyright to and are solely responsible for contributed content.
Click the contributor's name for licensing and usage information.
Everything else copyright © 2003-2009 Iowa State University, unless otherwise noted.

Bugguide is hosted by Iowa State University Entomology.

Printer Friendly Version 		Terms of Use
Privacy Policy
Site Map
Contact