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
Upcoming Events

Registration is open for the 2024 BugGuide gathering in Idaho July 24-27

Moth submissions from National Moth Week 2023

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

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


Previous events
TaxonomyBrowseInfoImagesLinksBooksData
Home » Guide » Arthropods (Arthropoda) » Chelicerates (Chelicerata) » Arachnids (Arachnida) » Spiders (Araneae) » True Spiders (Araneomorphae) » Entelegynae » Cobweb Spiders (Theridiidae) » Widow Spiders (Latrodectus) » Western Black Widow (Latrodectus hesperus) » juveniles (Latrodectus hesperus juveniles)
Photo#317222
Is this a Western Black Widow? - Latrodectus hesperus
Copyright © 2009 Liz Baker-Bullock

Is this a Western Black Widow? - Latrodectus hesperus
Yucca Valley, San Bernardino County, California, USA
August 8, 2009
Size: 1 1/2 cm

Images of this individual: tag all
Is this a Western Black Widow? - Latrodectus hesperus Is this a Western Black Widow? - Latrodectus hesperus Is this a Western Black Widow? - Latrodectus hesperus
tag · login or register to post comments
Contributed by Liz Baker-Bullock on 8 August, 2009 - 4:03pm
Last updated 5 January, 2014 - 11:02am

Moved
Moved from Western Black Widow.
… Lynette Elliott, 5 January, 2014 - 11:03am login or register to post comments

Moved
Moved from Widow Spiders.
… john and jane balaban, 30 April, 2012 - 2:15pm login or register to post comments

A
beautiful penultimate male L. hesperus.
… Jeff Hollenbeck, 30 April, 2012 - 1:45pm login or register to post comments

you are right jeff. my
you are right jeff.

my last comment was in haste without closer observation. pen ult hesp male indeed.
… widowman10, 15 July, 2010 - 10:26am login or register to post comments

 
No
problem, but they are indeed similar at first glance. I love these oddball variations (to me at least-maybe typical for the area)!
… Jeff Hollenbeck, 1 May, 2012 - 7:52pm login or register to post comments

 
me too! i guess i didn't noti
me too! i guess i didn't notice the other picture with the dorsal coloration. their patterning is much different.
… widowman10, 2 May, 2012 - 12:39pm login or register to post comments

Moved
Moved from Spiders.
… Ken Schneider, 29 January, 2010 - 6:10pm login or register to post comments

Moved
Moved from ID Request.
… john and jane balaban, 5 September, 2009 - 9:08pm login or register to post comments

I think so.
It had the enlarged pedipalps of a male. I don't know how to distinguish males of Western Black Widows from males of Brown Widows, though.
… Domingo Zungri, 9 August, 2009 - 8:04am login or register to post comments

Comment viewing options
Select your preferred way to display the comments and click 'Save settings' to activate your changes.

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 © 2003-2024 Iowa State University, unless otherwise noted.

Bugguide is hosted by:

Plant Pathology, Entomology and Microbiology at Iowa State University logo

Printer Friendly Version 		Terms of Use
Privacy Statement
Site Map
Contact